Olivetti DP-670, DP-670B Service Manual

Code Y108671-9
Option Copier
DP-670 / DP-670(B)
SERVICE MANUAL
PUBLICATION ISSUED BY:
Olivetti S.p.A.
77, Via Jervis - 10015 Ivrea (TO) Italy
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
It may be illegal to dispose of this battery into the municipal waste stream. Check with your local solid waste officials for details in your area for proper disposal.
ATTENTION
IL Y A UN RISQUE D’EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT. METTRE AU REBUT LES BATTERIES UTILISEES SELON LES INSTRUC­TIONS DONNEES.
Il peut être illégal de jeter les batteries dans des eaux d’égout municipales. Vérifiez avec les fonc­tionnaires municipaux de votre région pour les détails concernant des déchets solides et une mise au rebut appropriée.
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Safety precautions

This booklet provides safety warnings and precautions for our service personnel to ensure the safety of their customers, their machines as well as themselves during maintenance activities. Service personnel are advised to read this booklet carefully to familiarize themselves with the warnings and precautions described here before engaging in maintenance activities.
Safety warnings and precautions
Various symbols are used to protect our service personnel and customers from physical danger and to prevent damage to their property. These symbols are described below:
DANGER: High risk of serious bodily injury or death may result from insufficient attention to or incorrect
compliance with warning messages using this symbol.
WARNING: Serious bodily injury or death may result from insufficient attention to or incorrect compliance
with warning messages using this symbol.
CAUTION: Bodily injury or damage to property may result from insufficient attention to or incorrect
compliance with warning messages using this symbol.
Symbols
The triangle ( ) symbol indicates a warning including danger and caution. The specific point of attention is shown inside the symbol.
General warning.
Warning of risk of electric shock.
Warning of high temperature.
indicates a prohibited action. The specific prohibition is shown inside the symbol.
General prohibited action.
Disassembly prohibited.
indicates that action is required. The specific action required is shown inside the symbol.
General action required.
Remove the power plug from the wall outlet.
Always ground the copier.
1.Installation Precautions
WARNING
• Do not use a power supply with a voltage other than that specified. Avoid multiple connections to one outlet: they may cause fire or electric shock. When using an extension cable, always check
that it is adequate for the rated current. .............................................................................................
• Connect the ground wire to a suitable grounding point. Not grounding the copier may cause fire or electric shock. Connecting the earth wire to an object not approved for the purpose may cause explosion or electric shock. Never connect the ground cable to any of the following: gas pipes, lightning rods, ground cables for telephone lines and water pipes or faucets not approved by the
proper authorities. ............................................................................................................................
CAUTION:
• Do not place the copier on an infirm or angled surface: the copier may tip over, causing injury. .......
• Do not install the copier in a humid or dusty place. This may cause fire or electric shock. ................
• Do not install the copier near a radiator, heater, other heat source or near flammable material.
This may cause fire. .........................................................................................................................
• Allow sufficient space around the copier to allow the ventilation grills to keep the machine as cool
as possible. Insufficient ventilation may cause heat buildup and poor copying performance. ...........
• Always handle the machine by the correct locations when moving it. ...............................................
• Always use anti-toppling and locking devices on copiers so equipped. Failure to do this may cause
the copier to move unexpectedly or topple, leading to injury. ...........................................................
• Avoid inhaling toner or developer excessively. Protect the eyes. If toner or developer is acciden­tally ingested, drink a lot of water to dilute it in the stomach and obtain medical attention immedi­ately. If it gets into the eyes, rinse immediately with copious amounts of water and obtain medical
attention. ......................................................................................................................................
• Advice customers that they must always follow the safety warnings and precautions in the copier’s
instruction handbook. .....................................................................................................................
2.Precautions for Maintenance
WARNING
• Always remove the power plug from the wall outlet before starting machine disassembly. ...............
• Always follow the procedures for maintenance described in the service manual and other related
brochures. .......................................................................................................................................
• Under no circumstances attempt to bypass or disable safety features including safety mechanisms
and protective circuits. .....................................................................................................................
• Always use parts having the correct specifications. ..........................................................................
• Always use the thermostat or thermal fuse specified in the service manual or other related bro­chure when replacing them. Using a piece of wire, for example, could lead to fire or other serious
accident. ..........................................................................................................................................
• When the service manual or other serious brochure specifies a distance or gap for installation of a
part, always use the correct scale and measure carefully. ................................................................
• Always check that the copier is correctly connected to an outlet with a ground connection. .............
• Check that the power cable covering is free of damage. Check that the power plug is dust-free. If it
is dirty, clean it to remove the risk of fire or electric shock. ..............................................................
• Never attempt to disassemble the optical unit in machines using lasers. Leaking laser light may
damage eyesight. ...........................................................................................................................
• Handle the charger sections with care. They are charged to high potentials and may cause electric
shock if handled improperly. ............................................................................................................
CAUTION
• Wear safe clothing. If wearing loose clothing or accessories such as ties, make sure they are
safely secured so they will not be caught in rotating sections. ..........................................................
• Use utmost caution when working on a powered machine. Keep away from chains and belts. ........
• Handle the fixing section with care to avoid burns as it can be extremely hot. ..................................
• Check that the fixing unit thermistor, heat and press rollers are clean. Dirt on them can cause
abnormally high temperatures. ........................................................................................................
• Do not remove the ozone filter, if any, from the copier except for routine replacement. ....................
• Do not pull on the AC power cord or connector wires on high-voltage components when removing
them; always hold the plug itself. .....................................................................................................
• Do not route the power cable where it may be stood on or trapped. If necessary, protect it with a
cable cover or other appropriate item. .............................................................................................
• Treat the ends of the wire carefully when installing a new charger wire to avoid electric leaks. ........
• Remove toner completely from electronic components. ...................................................................
• Run wire harnesses carefully so that wires will not be trapped or damaged. ....................................
• After maintenance, always check that all the parts, screws, connectors and wires that were removed, have been refitted correctly. Special attention should be paid to any forgotten connector,
trapped wire and missing screws. ...................................................................................................
• Check that all the caution labels that should be present on the machine according to the instruction
handbook are clean and not peeling. Replace with new ones if necessary. ......................................
• Handle greases and solvents with care by following the instructions below: .....................................
· Use only a small amount of solvent at a time, being careful not to spill. Wipe spills off completely.
· Ventilate the room well while using grease or solvents.
· Allow applied solvents to evaporate completely before refitting the covers or turning the power switch on.
· Always wash hands afterwards.
• Never dispose of toner or toner bottles in fire. Toner may cause sparks when exposed directly to
fire in a furnace, etc. .......................................................................................................................
• Should smoke be seen coming from the copier, remove the power plug from the wall outlet imme-
diately. ............................................................................................................................................
3.Miscellaneous
WARNING
• Never attempt to heat the drum or expose it to any organic solvents such as alcohol, other than the
specified refiner; it may generate toxic gas. .....................................................................................
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CONTENTS

1-1 Specifications
1-1-1 Specifications..........................................................................................................................................1-1-1
1-1-2 Parts names............................................................................................................................................1-1-2
1-1-3 Machine cross section ............................................................................................................................1-1-3
1-2 Installation
1-2-1 Installation environment ..........................................................................................................................1-2-1
1-2-2 Unpacking ...............................................................................................................................................1-2-2
(1) Unpacking .........................................................................................................................................1-2-2
(2) Removing the tapes and the spacer..................................................................................................1-2-3
1-3 Maintenance Mode
1-3-1 Maintenance mode (DP-670/models with color touch panel) .................................................................1-3-1
(1) Executing a maintenance item ..........................................................................................................1-3-1
(2) Maintenance mode item list...............................................................................................................1-3-2
(3) Contents of maintenance mode items...............................................................................................1-3-3
1-3-2 Maintenance mode (DP-670/models with monochrome touch panel) ..................................................1-3-17
(1) Executing a maintenance item ........................................................................................................1-3-17
(2) Maintenance mode item list.............................................................................................................1-3-18
(3) Contents of maintenance mode items.............................................................................................1-3-19
1-3-3 Maintenance mode (DP-670(B)/models with color touch panel)...........................................................1-3-32
(1) Executing a maintenance item ........................................................................................................1-3-32
(2) Maintenance mode item list.............................................................................................................1-3-33
(3) Contents of maintenance mode items.............................................................................................1-3-34
3K5-2
1-4 Troubleshooting
1-4-1 Original misfeed detection ......................................................................................................................1-4-1
(1) Original misfeed indication ................................................................................................................1-4-1
(2) Original misfeed detection conditions................................................................................................1-4-1
(3) Paper misfeeds .................................................................................................................................1-4-3
1-4-2 Self-diagnosis .........................................................................................................................................1-4-4
(1) Self-diagnostic function .....................................................................................................................1-4-4
(2) Self diagnostic codes (DP-670) .........................................................................................................1-4-4
(3) Self diagnostic codes (DP-670(B)) ....................................................................................................1-4-4
1-4-3 Electric problems ....................................................................................................................................1-4-5
1-4-4 Mechanical problems ..............................................................................................................................1-4-6
1-5 Assembly and Disassembly
1-5-1 Precautions for assembly and disassembly............................................................................................1-5-1
(1) Precautions .......................................................................................................................................1-5-1
1-5-2 Original feed section ...............................................................................................................................1-5-2
(1) Detaching and refitting the DP forwarding pulley and DP feed pulley...............................................1-5-2
(2) Detaching and refitting the DP separation pad..................................................................................1-5-5
1-5-3 Image adjustment ...................................................................................................................................1-5-6
(1) Adjusting the angle of leading edge ..................................................................................................1-5-6
(2) Adjusting the angle of trailing edge ...................................................................................................1-5-7
1-6 Requirements on PWB Replacement
1-6-1 Upgrading the firmware (DP-670/models with color touch panel)...........................................................1-6-1
1-6-2 Upgrading the firmware (DP-670/models with monochrome touch panel) .............................................1-6-2
1-6-3 Upgrading the firmware (DP-670(B)/models with color touch panel)......................................................1-6-3
2-1 Mechanical construction
2-1-1 Mechanical construction .........................................................................................................................2-1-1
(1) Operation of original switchback .......................................................................................................2-1-3
3K5-2
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout..............................................................................................................................2-2-1
(1) PWBs ................................................................................................................................................2-2-1
(2) Switches and sensors .......................................................................................................................2-2-2
(3) Motors ...............................................................................................................................................2-2-3
(4) Solenoids...........................................................................................................................................2-2-4
2-3 Operation of the PWBs
2-3-1 DP main PWB .........................................................................................................................................2-3-1
2-4 Appendixes
List of maintenance parts........................................................................................................................2-4-1
Periodic maintenance procedures ..........................................................................................................2-4-2
Wiring diagram........................................................................................................................................2-4-4

1-1 Specifications

1-1-1 Specifications

Type................................................Machine mounted type duplex sheet-through document feeder
Original feed method ......................Automatic feed
Original weight ................................Single-sided original mode: 45 to 160 g/m
Double-sided original mode: 50 to 120 g/m
Original type....................................Sheet originals
Original size ....................................A3 to A5R/Ledger (11 x 17") to StatementR (5
Original No. of sheets .....................75 sheets or less (50 to 80 g/m2)
Mixed original sizes: 30 sheets or less (50 to 80 g/m2)
Original scanning speed .................Monochrome (normal): 78.5 to 157 mm/s
Monochrome (hi-speed): 350 mm/s
Color: 78.5 mm/s
Power source..................................Electrically connected to the machine
Dimensions .....................................559 (W) x 487 (D) x 131 (H) mm
22" (W) x 19
3/16" (D) x 5 3/16" (H)
Weight.............................................7 kg/15.4 lbs or less
a: 559 mm/22” b: 487 mm/19
3/16
c: 131 mm/5 3/16
2
2
1/2 x 8 1/2")
ab
3K5-1
c
Figure 1-1-1
NOTE: These specifications are subject to change without notice.
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1-1-1
3K5

1-1-2 Parts names

5
4
2
1
7
2
Figure 1-1-2
1. Original table
2. Original width guides
3. Original eject table
4. Document processor top cover
5. Original placement indicator
6. Original stopper
7. Cleaning cloth compartment
3
6
1-1-2
Service Manual Y108671-9

1-1-3 Machine cross section

3K5
2
1
Original path
3
Figure 1-1-3 Machine cross section
1. Original feed section
2. Original conveying section
3. Original switchback section
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1-1-3
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1-1-4
Service Manual Y108671-9
3K5-1
1-2 Installation

1-2-1 Installation environment

Installation location (Be based on the machine establishment place.)
Avoid direct sunlight or bright lighting. Ensure that the photo-conductor will not be exposed to direct sunlight or other strong light when removing paper jams. Avoid locations subject to high temperature and high humidity or low temperature and low humidity; an abrupt change in the environmental temperature; and cool or hot, direct air. Avoid places subject to dust and vibrations. Choose a surface capable of supporting the weight of the machine. Place the machine on a level surface (maximum allowance inclination: 1 Avoid air-borne substances that may adversely affect the machine or degrade the photo-conductor, such as mercury, acidic of alkaline vapors, inorganic gasses, NOx, SOx gases and chlorine-based organic solvents. Select a well-ventilated location.
°).
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1-2-1
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1-2-2 Unpacking

(1) Unpacking

1. Document processor
2. Outer case
3. Inner case
4. Rear upper pad
5. Rear lower pad
6. Front pad
7. Spacer
8. Plastic sheet
9. Plastic bag
Caution: See the Installation Guide for installation.
1-2-2
Figure 1-2-1 Unpacking
10. Cloth
11. Tray spacer
12. Plastic bag
13. Original mat
14. Plastic bag
15. M4 x 14 screws
16. Pins
17. Angle adjusting plate
18. Plastic bag
19. Installation guide
20. Caution label
21. Caution label
22. Operation label
*1
23. Operation label A
24. Operation label B
25. Operation label C *1: Inch models only *2: Metric models only
*2
*2
*2
Service Manual Y108671-9

(2) Removing the tapes and the spacer

3K5
Procedure
1. Remove two tapes.
2. Open the document processor top cover.
3. Raise the DP feed pulley unit.
4. Open the spacer.
5. Raise the original table.
6. Remove the spacer.
7. Remove the plastic bag.
Ta pe
Document processor top cover
DP feed pulley unit
Ta pe
Figure 1-2-2
Original table
Plastic bag
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Spacer
Figure 1-2-3
1-2-3
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1-2-4
Service Manual Y108671-9
1-3 Maintenance Mode

1-3-1 Maintenance mode (DP-670/models with color touch panel)

The machine is equipped with a maintenance function which can be used to maintain and service the machine.

(1) Executing a maintenance item

Start
Press the status/Job cancel key.
3K5-2
Yes
Enter “10871087” using
the numeric keys.
Enter the maintenance item
number using the cursor up/down keys
or numeric keys.
Press the start key.
The selected maintenance item is run.
Press the stop key.
Repeat the same
maintenance item?
Maintenance mode is entered.
The maintenance item is selected.
No
Yes
Run another maintenance
item?
No
Enter “001” using the cursor
up/down keys or numeric keys
and press the start key.
End
Y108671-9 Service Manual
Maintenance mode is exited.
1-3-1
3K5-1

(2) Maintenance mode item list

Section
Item
No.
Content of maintenance item
Initial
setting*
General U019 Displaying the ROM version -
Optical U068 Adjusting the scanning position for originals from the DP 0/0
U070 Adjusting the DP magnification 0/0
U071 Adjusting the DP scanning timing 0/0/0/0/0/0/0/0
U072 Adjusting the DP center line 0/0
U074 Adjusting the DP input light luminosity 0/0/0/0
U087 Setting DP reading position modification operation 125/125/120
Operation panel and support equipment
U203 Checking DP operation -
U243 Checking the operation of the DP motors -
U244 Checking the DP switches -
Mode setting U326 Setting the black line cleaning indication ON/8
Image processing
U404 Adjusting margins for scanning an original from the DP 3.0/2.5/3.0/4.0
U411 Adjusting the scanner automatically -
Other U905 Checking/clearing counts by optional devices -
U942 Setting of deflection for feeding from DP 0/0
*1
*1
*1
*1
*1
*1
*1,*2
*1
*1
*Initial setting for executing U020, *1: The item initialized for executing U020, *2: The item initialized for executing U021
1-3-2
Service Manual Y108671-9

(3) Contents of maintenance mode items

3K5
Maintenance
item No.
U019
Description
Displaying the ROM version Description
Displays the part number of the ROM fitted to each PWB.
Purpose
To check the part number or to decide, if the newest version of ROM is installed.
Method
1. Press the start key. The ROM version are displayed.
2. Change the screen using the cursor up/down keys.
Display Description
MAIN Main PWB ROM IC
MMI Operation PWB ROM IC
ENGINE Engine PWB ROM IC
ENGINE BOOT Engine PWB booting
OPTION LANGUAGE Optional language ROM IC
DICTIONARY -
DP DP main PWB ROM IC
OPTION CASSETTE Optional paper feeder main PWB ROM IC
INNER DF Optional built-in finisher main PWB ROM IC
SIMPLE DF MAIN Optional document sheet finisher main PWB ROM IC
ENGINE POWER Engine power CPU
FAX BOOT1 Optional fax control PWB booting (port 1)
FAX APL1 Optional fax control PWB APL (port 1)
FAX IPL1 Optional fax control PWB IPL (port 1)
FAX BOOT2 Fax control PWB booting (port 2: optional dual FAX)
FAX APL2 Fax control PWB APL (port 2: optional dual FAX)
FAX IPL2 Fax control PWB IPL (port 2: optional dual FAX)
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
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1-3-3
3K5
Maintenance
item No.
U068
Description
Adjusting the scanning position for originals from the DP Description
Adjusts the position for scanning originals from the DP. Performs the test copy at the four scanning positions after adjusting.
Purpose
Used when the image fogging occurs because the scanning position is not proper when the DP is used. Run U071 to adjust the timing of DP leading edge when the scanning position is changed.
Setting
1. Press the start key.
Display Description Setting
range
ADJUST DATA Starting position adjustment for
scanning originals
TEST POSITION Scanning position for the test copy
originals
2. Select [ADJUST DATA] of the screen for selecting an item.
3. Change the setting using the +/- or numeric keys. When the setting value is increased, the scanning position moves to the right and it moves to the left when the setting value is decreased.
4. Press the start key. The value is set.
5. Select [TEST POSITION] of the screen for selecting an item.
6. Select the scanning position using the +/- or numeric keys.
7. Press the start key. The value is set.
8. Set the original (the one which density is known) in the DP and press the system menu key. The screen for the test copy mode is displayed.
9. Press the start key. Test copy is executed.
10. Perform the test copy at each scanning position with the setting value from 0 to 3 and check that no black line appears and the image is normally scanned.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
-33 to 33 0 0.086 mm
0 to 3 0 0.22 mm
Initial setting
Change in value per step
1-3-4
Service Manual Y108671-9
3K5-1
Maintenance
item No.
U070
Description
Adjusting the DP magnification Description
Adjusts the DP original scanning speed.
Purpose
Make the adjustment if the magnification is incorrect in the main scanning direction or auxiliary scanning direction when the DP is used.
Method
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
MAIN ADJ Magnification in the main scanning
-25 to 25 0 0.1 %
Initial setting
Change in value per step
direction (first page)
SUB ADJ Magnification in the auxiliary scan-
-25 to 25 0 0.1 %
ning direction (second page)
Adjustment
1. Press the system menu key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the system menu key.
4. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original Copy
example 1
Copy
example 2
Figure 1-3-1
5. Press the start key. The value is set.
Caution
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U070
U071
(P.1-3-6)
U404
(P.1-3-12)
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
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1-3-5
3K5-1
Maintenance
item No.
U071
Description
Adjusting the DP scanning timing Description
Adjusts the DP original scanning timing.
Purpose
Make the adjustment if there is a regular error between the leading or trailing edges of the original and the copy image when the DP is used.
Method
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
ADJUST
Leading edge registration (first page) -32 to 32 0 0.196 mm
Initial setting
Change in value per step
DATA1
ADJUST
Trailing edge registration (first page) -32 to 28 0 0.196 mm
DATA2
ADJUST DATA3
ADJUST DATA4
ADJUST DATA1(H)
ADJUST DATA2(H)
ADJUST DATA3(H)
ADJUST DATA4(H)
Leading edge registration (second page)
Trailing edge registration (second page)
Leading edge registration at high­speed scanning (first page)
Trailing edge registration at high-speed scanning (first page)
Leading edge registration at high­speed scanning (second page)
Trailing edge registration at high-speed scanning (second page)
-32 to 32 0 0.196 mm
-32 to 28 0 0.196 mm
-32 to 32 0 0.196 mm
-32 to 28 0 0.196 mm
-32 to 32 0 0.196 mm
-32 to 28 0 0.196 mm
Adjustment: leading edge registration
1. Press the system menu key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the system menu key.
4. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original Copy
example 1
Copy
example 2
Figure 1-3-2
5. Press the start key. The value is set.
Caution
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U071
U404
(P.1-3-12)
1-3-6
Service Manual Y108671-9
3K5
Maintenance
item No.
U071
Description
Adjustment: trailing edge registration
1. Press the system menu key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the system menu key.
4. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original
Copy
example 1
Copy
example 2
Figure 1-3-3
5. Press the start key. The value is set.
Caution
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U071
U404
(P.1-3-12)
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-7
3K5
Maintenance
item No.
U072
Description
Adjusting the DP center line Description
Adjusts the scanning start position for the DP original.
Purpose
Make the adjustment if there is a regular error between the centers of the original and the copy image when the DP is used.
Adjustment
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
Initial setting
Change in value per step
ADJUST DATA1 Center line (first page) -78 to 78 0 0.085 mm
ADJUST DATA2 Center line (second page) -78 to 78 0 0.085 mm
3. Press the system menu key.
4. Place an original on the DP and press the start key to make a test copy.
5. Press the system menu key.
6. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Reference
Original Copy
example 1
Copy
example 2
Figure 1-3-4
7. Press the start key. The value is set.
Caution
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U072
U404
(P.1-3-12)
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
1-3-8
Service Manual Y108671-9
3K5-2
Maintenance
item No.
U074
U087
Description
Adjusting the DP input light luminosity Description
Sets the luminosity correction for scanning originals from the DP.
Purpose
Used if the exposure amount differs significantly between when scanning an original on the platen and when scanning an original from the DP.
Setting
1. Press the start key.
2. Select the item to be set.
Display Description Setting
range
R DP input light luminosity of R image -12 to 12 0
G DP input light luminosity of G image -12 to 12 0
B DP input light luminosity of B image -12 to 12 0
K DP input light luminosity of K image -12 to 12 0
3. Change the setting using the +/- or numeric keys. Increasing the setting makes the luminosity higher, and decreasing it makes the luminosity lower.
4. Press the start key. The value is set.
Supplement
While this maintenance item is being executed, copying from an original is available in interrupt copying mode (which is activated by pressing the system menu key).
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Setting DP reading position modification operation Description
The presence or absence of dust is determined by comparing the scan data of the original trailing edge and that taken after the original is conveyed past the DP original scanning position. If dust is identified, the DP original scanning position is adjusted for the following originals.
Purpose
When using DP, to solve the problem when black lines occurs due to the dust with respect to original reading position.
Method
1. Press the start key.
2. Select the item to be set. The setting screen for the selected item is displayed.
Display Description
CCD Setting of standard data when dust is detected.
BLACK Initialization of original reading position.
Initial setting
Setting: standard data when dust is detected
1. Select the item to be set.
2. Change the value using the +/- or numeric keys.
Display Description Setting range Initial setting
CCD R Lowest density of the R regard as the dust 0 to 255 125
CCD G Lowest density of the G regard as the dust 0 to 255 125
CCD B Lowest density of the B regard as the dust 0 to 255 120
3. Press the start key. The value is set.
Setting: Initialization of original reading position
1. Select [CLEAR].
2. Press the start key. The setting is cleared.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
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1-3-9
3K5
Maintenance
item No.
U203
U243
Description
Checking DP operation Description
Simulates the original conveying operation separately in the DP.
Purpose
To check the DP operation.
Method
1. Press the start key.
2. Place an original in the DP if running this simulation with paper.
3. Select the item to be operated.
4. When selecting [ADP] or [RADP], to set the magnification using the +/- keys.
Display Operation Setting range Initial setting
ADP With paper, single-sided original 100 to 200 (%) 100
RADP With paper, double-sided original 100 to 200 (%) 100
ADP (NON P) Without paper, single-sided original
(continuous operation)
RADP (NON P) Without paper, double-sided original
(continuous operation)
SPEED Switching between normal reading (600
dpi) and high-speed reading
5. Press the start key. The operation starts.
6. To stop continuous operation, press the stop key.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Checking the operation of the DP motors Description
Turns the motors and solenoids in the DP on.
Purpose
To check the operation of the DP motors or solenoids.
Method
1. Press the start key.
2. Select the item to be operated.
3. Press the start key. The operation starts.
Display Motors and solenoids
DP FEED MOTOR Original feed motor (OFM) is turned on.
DP CONV MOTOR Original conveying motor (OCM) is turned on.
DP REV MOTOR Original switchback motor (OSBM) is turned on.
DP RJ SOL Switchback feedshift solenoid (SBFSSOL) is turned on.
DP RP SOL Switchback pressure solenoid (SBPSOL) is turned on.
--
--
0 (Normal)/ 1 (high-speed)
0
1-3-10
4. To stop operation, press the stop key.
Completion
Press the stop key when operation stops. The screen for selecting a maintenance item No. is displayed.
Service Manual Y108671-9
3K5
Maintenance
item No.
U244
U326
Description
Checking the DP switches Description
Displays the status of the respective switches in the DP.
Purpose
To check if respective switches in the DP operate correctly.
Method
1. Press the start key.
2. Turn the respective switches on and off manually to check the status. When a switch is detected to be in the ON position, the display for that switch will be highlighted.
Display Switches
DP SET SW Original set switch (OSSW)
DP PSD SW Original size length switch (OSLSW)
DP REV SW Original switchback switch (OSBSW)
CCD TMING SW DP timing switch (DPTSW)
DP COVER SW DP interlock switch (DPILSW)
DP OPEN SW DP open/close switch (DPOCSW)
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Setting the black line cleaning indication Description
Sets whether to display the cleaning guidance when detecting the black line.
Purpose
Displays the cleaning guidance in order to make the call for service with the black line decrease by the rubbish on the platen when scanning from the DP.
Setting
1. Press the start key.
2. Select ON or OFF.
Display Description
ON Displays the cleaning guidance
OFF Not to display the cleaning guidance
COUNT Setting counts of the cleaning guidance indication
Initial setting: ON
3. Press the start key. The setting is set.
Setting the count value
1. Enter a count using the +/- or numeric keys. Setting range: 0 to 999 Initial setting: 8 When setting is 0, the black line cleaning indication is displayed only if the black line is detected.
2. Press the start key. The count is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-11
3K5
Maintenance
item No.
U404
Description
Adjusting margins for scanning an original from the DP Description
Adjusts margins for scanning the original from the DP.
Purpose
Make the adjustment if margins are incorrect when the DP is used.
Caution
Before making this adjustment, ensure that the following adjustments have been made in maintenance mode.
(See the service manual
U402
for the machine.))
(See the service manual
U403
for the machine.)
U404
Adjustment
1. Press the start key.
2. Select the item to be adjusted.
Display Description
Setting range
Initial setting
Change in value per step
A MARGIN Left margin 0 to 10.0 3.0 0.5 mm
B MARGIN Leading edge margin 0 to 10.0 2.5 0.5 mm
C MARGIN Right margin 0 to 10.0 3.0 0.5 mm
D MARGIN Trailing edge margin 0 to 10.0 4.0 0.5 mm
3. Press the system menu key.
4. Place an original on the DP and press the start key to make a test copy.
5. Press the system menu key.
6. Change the setting value using the +/- keys. Increasing the value makes the margin wider, and decreasing it makes the margin narrower.
Leading edge margin (3±1.5 mm)
Left margin
(2±1.0 mm)
Trailing edge margin (2±1.0 mm)
Right margin (2±1.0 mm)
Figure 1-3-5
7. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
1-3-12
Service Manual Y108671-9
3K5
Maintenance
item No.
U411
Description
Adjusting the scanner automatically Description
Uses a specified original and automatically adjusts the following items in the scanner and the DP scanning sections.
Purpose
To perform automatic adjustment of various items in the scanner and the DP scanning sections. To adjust scanner automatically when initializing the machine using the maintenance item U020 or U022.
Method
1. Press the start key.
2. Select the item. The screen for executing is displayed.
Display Description Original to be used
for adjustment (P/N)
SCANNER Automatic adjustment in the scanner section AVGR05131K
DP Automatic adjustment in the DP scanning section AVGR11211F
Method: SCANNER
1. Select [SCANNER].
2. Enter the target values which are shown on the specified original (P/N: AVGR05131K) executing mainte­nance item U425.
3. Set a specified original (P/N: AVGR05131K) on the platen.
4. Select the item.
Display Description
ALL Automatic adjustment using the platen for: original size magnification/leading
edge timing/center line, input gamma, chromatic aberration filter, MTF filter, matrix, input gamma in monochrome mode and MTF filter in monochrome mode
INPUT Automatic adjustment using the platen for: original size magnification/leading
edge timing/center line
GAMMA Automatic adjustment using the platen for: input gamma
C.A. Automatic adjustment using the platen for: chromatic aberration filter
MTF Automatic adjustment using the platen for: MTF filter
MATRIX Automatic adjustment using the platen for: matrix
MONO GAMMA Automatic adjustment using the platen for: input gamma in monochrome
mode
MONO MTF Automatic adjustment using the platen for: MTF filter in monochrome mode
5. Press the start key. Auto adjustment starts. When automatic adjustment has normally completed, [RESULT OK 00] is displayed. If a problem occurs during auto adjustment, [ERROR XX] (XX is replaced by an error code) is displayed and operation stops. Should this happen, determine the details of the problem and either repeat the procedure from the beginning, or adjust the remaining items manually by running the corresponding maintenance items.
6. To return to the screen for selecting an item, press the stop key.
Y108671-9 Service Manual
1-3-13
3K5
Maintenance
item No.
U411
Description
Method: DP
1. Select [DP].
2. Set a specified original (P/N: AVGR11211F) in the DP. Cut the trailing edge of the original.
+
128 1 mm
-
+
60 1 mm
-
Cut with the edge of black belt.
Figure 1-3-6
3. Press [INPUT].
Display Description
INPUT Automatic adjustment of first page using the DP for: original size magnifica-
tion/leading edge timing/center line
4. Press the start key. Auto adjustment starts. When automatic adjustment has normally completed, [RESULT OK 00] is displayed. If a problem occurs during auto adjustment, [ERROR XX] (XX is replaced by an error code) is displayed and operation stops. Should this happen, determine the details of the problem and either repeat the procedure from the beginning, or adjust the remaining items manually by running the corresponding maintenance items.
5. To return to the screen for selecting an item, press the stop key.
1-3-14
Service Manual Y108671-9
3K5
Maintenance
item No.
U411
Description
Error Codes
Codes Description
ERROR 01 Black band detection error (scanner leading edge registration)
ERROR 02 Black band detection error (scanner center line)
ERROR 03 Black band detection error (scanner main scanning direction magnification)
ERROR 04 Black band is not detected (scanner leading edge registration)
ERROR 05 Black band is not detected (scanner center line)
ERROR 06 Black band is not detected (scanner main scanning direction magnification)
ERROR 07 Black band is not detected (scanner auxiliary scanning direction magnification)
ERROR 08 Black band is not detected (DP main scanning direction magnification far end)
ERROR 09 Black band is not detected (DP main scanning direction magnification near end)
ERROR 0a Black band is not detected (DP auxiliary scanning direction magnification leading
edge)
ERROR 0b Black band is not detected (DP auxiliary scanning direction magnification leading
edge original check)
ERROR 0c Black band is not detected (DP auxiliary scanning direction trailing edge)
ERROR 0d Black band is not detected (DP auxiliary scanning direction trailing edge 2)
ERROR 0e DMA time out
ERROR 0f Auxiliary scanning direction magnification error
ERROR 10 Auxiliary scanning direction leading edge detection error
ERROR 11 Auxiliary scanning direction trailing edge detection error
ERROR 12 Auxiliary scanning direction skew 1.5 error
ERROR 13 Maintenance request error
ERROR 14 Main scanning direction center line error
ERROR 15 Main scanning direction skew 1.5 error
ERROR 16 Main scanning direction magnification error
ERROR 17 Carriage error
ERROR 18 Service call error
ERROR 19 DP status error
ERROR 1a DP open error
ERROR 1b Original is not detected
ERROR ff Other error
ERROR 65 Memory over error
Completion
Press the stop key. The screen for selecting a maintenance item is displayed.
Y108671-9 Service Manual
1-3-15
3K5
Maintenance
item No.
U905
Description
Checking/clearing counts by optional devices Description
Displays or clears the counts of DP or finisher.
Purpose
To check the use of DP and finisher. Also to clear the counts after replacing consumable parts.
Method
1. Press the start key.
2. Select the device, the count of which is to be checked. The count of the selected device is displayed.
Display Description
DP Counts of optional DP
FINISHER Counts of optional finisher
DP
Display Description
ADP No. of single-sided originals that has passed through the DP
RADP No. of double-sided originals that has passed through the DP
Finisher
Display Description
CP CNT No. of copies that has passed
STAPLE Frequency the stapler has been activated
U942
Clearing
1. Select the item to be cleared. To clear the counts for all, press the clear key.
2. Press the start key. The count is cleared.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Setting of deflection for feeding from DP Description
Adjusts the deflection generated when the DP is used.
Purpose
Use this mode if an original non-feed jam, oblique feed or wrinkling of original occurs when the DP is used.
Setting
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
FEED MOT Deflection in the original feed motor -31 to 31 0 0.098 mm
REV MOT Deflection in the original switchback
motor
3. Press the system menu key.
4. Place an original on the DP and press the start key to make a test copy.
5. Press the system menu key.
6. Change the setting value using the +/- or numeric keys. The greater the value, the larger the deflection; the smaller the value, the smaller the deflection. If an original non-feed jam or oblique feed occurs, increase the setting value. If wrinkling of original occurs, decrease the value.
7. Press the start key. The setting is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
-31 to 31 0 0.098 mm
Initial setting
Change in value per step
1-3-16
Service Manual Y108671-9

1-3-2 Maintenance mode (DP-670/models with monochrome touch panel)

The machine is equipped with a maintenance function which can be used to maintain and service the machine.

(1) Executing a maintenance item

Start
3K5-2
Yes
Enter 10871087 using
the numeric keys.
Enter the maintenance item
number using the cursor up/down keys
or numeric keys.
Press the start key.
The selected maintenance item is run.
Press the stop/clear key.
Repeat the same
maintenance item?
Maintenance mode is entered.
The maintenance item is selected.
No
Yes
Run another maintenance
item?
No
Enter 001 using the cursor
up/down keys or numeric keys
and press the start key.
End
Y108671-9 Service Manual
Maintenance mode is exited.
1-3-17
3K5-1

(2) Maintenance mode item list

Section
Item
No.
Content of maintenance item
Initial
setting*
General U019 Displaying the ROM version -
Optical U068 Adjusting the scanning position for originals from the DP 0/0
U070 Adjusting the DP magnification 0/0
U071 Adjusting the DP scanning timing 0/0/0/0
U072 Adjusting the DP center line 0/0/0
U074 Adjusting the DP input light luminosity 0
U087 Setting DP reading position modification operation 35
Operation panel and support equipment
U203 Checking DP operation -
U243 Checking the operation of the DP motors -
U244 Checking the DP switches -
Mode setting U326 Setting the black line cleaning indication ON/8
Image processing
U404 Adjusting margins for scanning an original from the DP 3.0/2.5/3.0/4.0
U411 Adjusting the scanner automatically -
Other U905 Checking counts by optional devices -
U942 Setting of deflection for feeding from DP 0/0
*1
*1
*1
*1
*1
*1
*1,*2
*1
*1
*Initial setting for executing U020, *1: The item initialized for executing U020, *2: The item initialized for executing U021
1-3-18
Service Manual Y108671-9

(3) Contents of maintenance mode items

3K5
Maintenance
item No.
U019
Description
Displaying the ROM version Description
Displays the part number of the ROM fitted to each PWB.
Purpose
To check the part number or to decide, if the newest version of ROM is installed.
Method
1. Press the start key. The ROM version are displayed.
2. Change the screen using the * or # keys.
Display Description
MAIN Main PWB ROM IC
MAIN BOOT Main PWB booting
ENGINE Engine PWB ROM IC
ENGINE BOOT Engine PWB booting
LANGUAGE Standard language ROM IC
OPTION LANGUAGE Optional language ROM IC
DICTIONARY -
PRINTER Optional printer board ROM IC
DP DP main PWB ROM IC
OPTION CASSETTE Optional paper feeder main PWB ROM IC
INNER DF Optional built-in finisher main PWB ROM IC
SIMPLE DF MAIN Optional document finisher main PWB ROM IC
ENGINE POWER Engine power CPU
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-19
3K5
Maintenance
item No.
U068
Description
Adjusting the scanning position for originals from the DP Description
Adjusts the position for scanning originals from the DP. Performs the test copy at the four scanning positions after adjusting.
Purpose
Used when the image fogging occurs because the scanning position is not proper when the DP is used. Run U071 to adjust the timing of DP leading edge when the scanning position is changed.
Setting
1. Press the start key.
Display Description Setting
range
ADJUST DATA Starting position adjustment for
scanning originals
TEST POSITION Scanning position for the test copy
originals
2. Select [ADJUST DATA] of the screen for selecting an item.
3. Change the setting using the cursor up/down keys. When the setting value is increased, the scanning position moves to the right and it moves to the left when the setting value is decreased.
4. Press the start key. The value is set.
5. Select [TEST POSITION] of the screen for selecting an item.
6. Select the scanning position using the cursor up/down keys.
7. Press the start key. The value is set.
8. Set the original (the one which density is known) in the DP and press the interrupt key. The screen for the test copy mode is displayed.
9. Press the start key. Test copy is executed.
10. Perform the test copy at each scanning position with the setting value from 0 to 3 and check that no black line appears and the image is normally scanned.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
-33 to 33 0 0.086 mm
0 to 3 0 0.22 mm
Initial setting
Change in value per step
1-3-20
Service Manual Y108671-9
3K5-1
Maintenance
item No.
U070
Description
Adjusting the DP magnification Description
Adjusts the DP original scanning speed.
Purpose
Make the adjustment if the magnification is incorrect in the auxiliary scanning direction when the DP is used.
Method
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
MAIN ADJ Magnification in the main scanning
-25 to 25 0 0.1 %
Initial setting
Change in value per step
direction (first page)
SUB ADJ Magnification in the auxiliary scan-
-25 to 25 0 0.1 %
ning direction (second page)
Adjustment
1. Press the interrupt key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the interrupt key.
4. Change the setting value using the cursor up/down keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original Copy
example 1
Copy
example 2
Figure 1-3-7
5. Press the start key. The value is set.
Caution
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U070
U071
(P.1-3-22)
U404
(P.1-3-28)
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-21
3K5-1
Maintenance
item No.
U071
Description
Adjusting the DP scanning timing Description
Adjusts the DP original scanning timing.
Purpose
Make the adjustment if there is a regular error between the leading or trailing edges of the original and the copy image when the DP is used.
Method
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
ADJUST
Leading edge registration (first page) -32 to 32 0 0.196 mm
Initial setting
Change in value per step
DATA1
ADJUST
Trailing edge registration (first page) -32 to 28 0 0.196 mm
DATA2
ADJUST DATA3
ADJUST DATA4
Leading edge registration (second page)
Trailing edge registration (second page)
-45 to 45 0 0.196 mm
-45 to 28 0 0.196 mm
Adjustment: Leading edge registration
1. Press the interrupt key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the interrupt key.
4. Change the setting value using the cursor up/down keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original Copy
example 1
Copy
example 2
Figure 1-3-8
5. Press the start key. The value is set.
Caution
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U071
U404
(P.1-3-28)
1-3-22
Service Manual Y108671-9
3K5
Maintenance
item No.
U071
Description
Adjustment: Trailing edge registration
1. Press the interrupt key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the interrupt key.
4. Change the setting value using the cursor up/down keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original
Copy
example 1
Copy
example 2
Figure 1-3-9
5. Press the start key. The value is set.
Caution
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U071
U404
(P.1-3-28)
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-23
3K5-1
Maintenance
item No.
U072
Description
Adjusting the DP center line Description
Adjusts the scanning start position for the DP original.
Purpose
Make the adjustment if there is a regular error between the centers of the original and the copy image when the DP is used.
Adjustment
1. Press the start key.
2. Select the item to be adjusted.
Display Description
Setting range
Initial setting
Change in value per step
DATA(simplex) DP center line (simplex mode) -39 to 39 0 0.086 mm
DATA(duplex 1) DP center line (first page of duplex
-39 to 39 0 0.086 mm
mode)
DATA(duplex 2) DP center line (second page of
-39 to 39 0 0.086 mm
duplex mode)
3. Press the interrupt key.
4. Place an original on the DP and press the start key to make a test copy.
5. Press the interrupt key.
6. Change the setting value using the cursor up/down keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Reference
Original Copy
example 1
Copy
example 2
Figure 1-3-10
7. Press the start key. The value is set.
Caution
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U072
U404
(P.1-3-28)
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
1-3-24
Service Manual Y108671-9
3K5-2
Maintenance
item No.
U074
U087
Description
Adjusting the DP input light luminosity Description
Sets the luminosity correction for scanning originals from the DP.
Purpose
Used if the exposure amount differs significantly between when scanning an original on the platen and when scanning an original from the DP.
Setting
1. Press the start key.
2. Select the item to be set.
Description Setting range Initial setting
DP input light luminosity -12 to 12 0
3. Change the setting using the cursor up/down keys. Increasing the setting makes the luminosity higher, and decreasing it makes the luminosity lower.
4. Press the start key. The value is set.
Supplement
While this maintenance item is being executed, copying from an original is available in the interrupt copying mode.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Setting DP reading position modification operation Description
The presence or absence of dust is determined by comparing the scan data of the original trailing edge and that taken after the original is conveyed past the DP original scanning position. If dust is identified, the DP original scanning position is adjusted for the following originals.
Purpose
When using DP, to solve the problem when black lines occurs due to the dust with respect to original reading position.
Method
1. Press the start key.
2. Select the item.
Display Description
CCD Setting of standard data when dust is detected. 10 to 95 35
BLACK LINE Initialization of original reading position. - -
Setting range
Initial set­ting
Setting: Standard data when dust is detected
1. Change the value using the cursor up/down keys.
2. Press the start key. The value is set.
Setting: Initialization of original reading position
1. Select [CLEAR].
2. Press the start key. The setting is cleared.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-25
3K5
Maintenance
item No.
U203
U243
Description
Checking DP operation Description
Simulates the original conveying operation separately in the DP.
Purpose
To check the DP operation.
Method
1. Press the start key.
2. Place an original in the DP if running this simulation with paper.
3. Select the item to be operated.
4. When selecting [ADF] or [RADF], to set the magnification using the cursor up/down keys.
Display Operation Setting range Initial setting
ADF With paper, single-sided original 100 to 200 (%) 100
RADF With paper, double-sided original 100 to 200 (%) 100
ADF (NON P) Without paper, single-sided original
(continuous operation)
RADF (NON P) Without paper, double-sided original
(continuous operation)
5. Press the start key. The operation starts.
6. To stop continuous operation, press the stop/clear key.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Checking the operation of the DP motors Description
Turns the motors and solenoids in the DP on.
Purpose
To check the operation of the DP motors or solenoids.
Method
1. Press the start key.
2. Select the item to be operated.
3. Press the start key. The operation starts.
Display Motors and solenoids
DP FEED MOTOR Original feed motor (OFM) is turned on.
DP CONV MOTOR Original conveying motor (OCM) is turned on.
DP REV MOTOR Original switchback motor (OSBM) is turned on.
DP RJ SOL Switchback feedshift solenoid (SBFSSOL) is turned on.
DP RP SOL Switchback pressure solenoid (SBPSOL) is turned on.
--
--
1-3-26
4. To stop operation, press the stop/clear key.
Completion
Press the stop/clear key when operation stops. The screen for selecting a maintenance item No. is displayed.
Service Manual Y108671-9
3K5
Maintenance
item No.
U244
U326
Description
Checking the DP switches Description
Displays the status of the respective switches in the DP.
Purpose
To check if respective switches in the DP operate correctly.
Method
1. Press the start key.
2. Turn the respective switches on and off manually to check the status. When a switch is detected to be in the ON position, the display for that switch will be highlighted.
Display Switches
DP SET SW Original set switch (OSSW)
DP PSD SW Original size length switch (OSLSW)
DP REV SW Original switchback switch (OSBSW)
CCD TIMING SW DP timing switch (DPTSW)
DP COVER SW DP interlock switch (DPILSW)
DP OPEN SW DP open/close switch (DPOCSW)
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Setting the black line cleaning indication Description
Sets whether to display the cleaning guidance when detecting the black line.
Purpose
Displays the cleaning guidance in order to make the call for service with the black line decrease by the rubbish on the platen when scanning from the DP.
Setting
1. Press the start key.
2. Select ON or OFF.
Display Description
ON Displays the cleaning guidance
OFF Not to display the cleaning guidance
COUNT Setting counts of the cleaning guidance indication
Initial setting: ON
3. Press the start key. The setting is set.
Setting the count value
1. Enter a count using the cursor up/down keys. Setting range: 0 to 999 Initial setting: 8 When setting is 0, the black line cleaning indication is displayed only if the black line is detected.
2. Press the start key. The count is set.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-27
3K5
Maintenance
item No.
U404
Description
Adjusting margins for scanning an original from the DP Description
Adjusts margins for scanning the original from the DP.
Purpose
Make the adjustment if margins are incorrect when the DP is used.
Caution
Before making this adjustment, ensure that the following adjustments have been made in maintenance mode.
(See the service manual
U402
for the machine.))
(See the service manual
U403
for the machine.)
U404
Adjustment
1. Press the start key.
2. Select the item to be adjusted.
Display Description
Setting range
Initial setting
Change in value per step
A MARGIN Left margin 0 to 10.0 3.0 0.5 mm
B MARGIN Leading edge margin 0 to 10.0 2.5 0.5 mm
C MARGIN Right margin 0 to 10.0 3.0 0.5 mm
D MARGIN Trailing edge margin 0 to 10.0 4.0 0.5 mm
3. Press the interrupt key.
4. Place an original on the DP and press the start key to make a test copy.
5. Press the interrupt key.
6. Change the setting value using the cursor up/down keys. Increasing the value makes the margin wider, and decreasing it makes the margin narrower.
Leading edge margin (3±1.5 mm)
Left margin
(2±1.0 mm)
Trailing edge margin (2±1.0 mm)
Right margin (2±1.0 mm)
Figure 1-3-11
7. Press the start key. The value is set.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
1-3-28
Service Manual Y108671-9
3K5
Maintenance
item No.
U411
Description
Adjusting the scanner automatically Description
Uses a specified original and automatically adjusts the following items in the scanner and the DP scanning sections.
Purpose
To perform automatic adjustment of various items in the scanner and the DP scanning sections. To adjust scanner automatically when initializing the machine using the maintenance item U020 or U022.
Method
1. Press the start key.
2. Select the item. The screen for executing is displayed.
Display Description Original to be used
for adjustment (P/N)
SCANNER Automatic adjustment in the scanner section AVGR05131K
DP Automatic adjustment in the DP scanning section AVGR11211F
Method: SCANNER
1. Select [SCANNER].
2. Set a specified original (P/N: AVGR05131K) on the platen.
3. Select the item.
Display Description
ALL Automatic adjustment using the platen for: original size magnification/leading
edge timing/center line and input gamma
INPUT Automatic adjustment using the platen for: original size magnification/leading
edge timing/center line
GAMMA Automatic adjustment using the platen for: input gamma
4. Press the start key. Auto adjustment starts. When automatic adjustment has normally completed, [RESULT OK 00] is displayed. If a problem occurs during auto adjustment, [ERROR XX] (XX is replaced by an error code) is displayed and operation stops. Should this happen, determine the details of the problem and either repeat the procedure from the beginning, or adjust the remaining items manually by running the corresponding maintenance items.
5. To return to the screen for selecting an item, press the stop/clear key.
Method: DP
1. Select [DP].
2. Set a specified original (P/N: AVGR11211F) in the DP. Cut the trailing edge of the original.
+
128 1 mm
-
+
60 1 mm
-
Cut with the edge of black belt.
Figure 1-3-12
Y108671-9 Service Manual
1-3-29
3K5
Maintenance
item No.
U411 3. Press [INPUT].
Display Description
INPUT Automatic adjustment of first page using the DP for: original size magnifica-
4. Press the start key. Auto adjustment starts. When automatic adjustment has normally completed, [RESULT OK 00] is displayed. If a problem occurs during auto adjustment, [ERROR XX] (XX is replaced by an error code) is displayed and opera­tion stops. Should this happen, determine the details of the problem and either repeat the procedure from the beginning, or adjust the remaining items manually by running the corresponding maintenance items.
5. To return to the screen for selecting an item, press the stop/clear key.
Error Codes
Codes Description
ERROR 01 Black band detection error (scanner leading edge registration)
ERROR 02 Black band detection error (scanner center line)
ERROR 03 Black band detection error (scanner main scanning direction magnification)
ERROR 04 Black band is not detected (scanner leading edge registration)
ERROR 05 Black band is not detected (scanner center line)
ERROR 06 Black band is not detected (scanner main scanning direction magnification)
ERROR 07 Black band is not detected (scanner auxiliary scanning direction magnification)
ERROR 08 Black band is not detected (DP main scanning direction magnification far end)
ERROR 09 Black band is not detected (DP main scanning direction magnification near end)
ERROR 0a Black band is not detected (DP auxiliary scanning direction magnification leading
ERROR 0b Black band is not detected (DP auxiliary scanning direction magnification leading
ERROR 0c Black band is not detected (DP auxiliary scanning direction trailing edge)
ERROR 0d Black band is not detected (DP auxiliary scanning direction trailing edge 2)
ERROR 0e DMA time out
ERROR 0f Auxiliary scanning direction magnification error
ERROR 10 Auxiliary scanning direction leading edge detection error
ERROR 11 Auxiliary scanning direction trailing edge detection error
ERROR 12 Auxiliary scanning direction skew 1.5 error
ERROR 13 Maintenance request error
ERROR 14 Main scanning direction center line error
ERROR 15 Main scanning direction skew 1.5 error
ERROR 16 Main scanning direction magnification error
ERROR 17 Carriage error
ERROR 18 Service call error
ERROR 19 DP status error
ERROR 1a DP open error
ERROR 1b Original is not detected
ERROR ff Other error
ERROR 65 Memory over error
Description
tion/leading edge timing/center line
edge)
edge original check)
1-3-30
Completion
Press the stop/clear key. The screen for selecting a maintenance item is displayed.
Service Manual Y108671-9
3K5
Maintenance
item No.
U905
Description
Checking counts by optional devices Description
Displays the counts of DP or finisher.
Purpose
To check the use of DP and finisher.
Method
1. Press the start key.
2. Select the device, the count of which is to be checked. The count of the selected device is displayed.
Display Description
DP Counts of optional DP
FINISHER Counts of optional finisher
DP
Display Description
ADP No. of single-sided originals that has passed through the DP
RADP No. of double-sided originals that has passed through the DP
Finisher
Display Description
CP CNT No. of copies that has passed
STAPLE Frequency the stapler has been activated
U942
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Setting of deflection for feeding from DP Description
Adjusts the deflection generated when the DP is used.
Purpose
Use this mode if an original non-feed jam, oblique feed or wrinkling of original occurs when the DP is used.
Setting
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
FEED MOT Deflection in the original feed motor -31 to 31 0 0.098 mm
REV MOT Deflection in the original switchback
motor
3. Press the interrupt key.
4. Place an original on the DP and press the start key to make a test copy.
5. Press the interrupt key.
6. Change the setting value using the cursor up/down keys. The greater the value, the larger the deflection; the smaller the value, the smaller the deflection. If an original non-feed jam or oblique feed occurs, increase the setting value. If wrinkling of original occurs, decrease the value.
7. Press the start key. The setting is set.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
-31 to 31 0 0.098 mm
Initial setting
Change in value per step
Y108671-9 Service Manual
1-3-31
3K5-2

1-3-3 Maintenance mode (DP-670(B)/models with color touch panel)

The machine is equipped with a maintenance function which can be used to maintain and service the machine.

(1) Executing a maintenance item

Start
Press the status/Job cancel key.
Yes
Enter “10871087” using
the numeric keys.
Enter the maintenance item
number using the cursor up/down keys
or numeric keys.
Press the start key.
The selected maintenance item is run.
Press the stop key.
Repeat the same
maintenance item?
Maintenance mode is entered.
The maintenance item is selected.
1-3-32
Yes
No
Run another maintenance
item?
No
Enter “001” using the cursor
up/down keys or numeric keys
and press the start key.
End
Service Manual Y108671-9
Maintenance mode is exited.

(2) Maintenance mode item list

3K5-2
Section
Item
No.
Content of maintenance item
Initial
setting*
General U019 Displaying the ROM version -
Optical U068 Adjusting the scanning position for originals from the DP 0/0
U070 Adjusting the DP magnification 0/0
U071 Adjusting the DP scanning timing 0/0/0/0
U072 Adjusting the DP center line 0/0
U074 Adjusting the DP input light luminosity 0
U087 Setting DP reading position modification operation 125/125/125
Operation panel and support equipment
U203 Checking DP operation -
U243 Checking the operation of the DP motors -
U244 Checking the DP switches -
Mode setting U326 Setting the black line cleaning indication ON/8
Image processing
U404 Adjusting margins for scanning an original from the DP 3.0/2.5/3.0/4.0
U411 Adjusting the scanner automatically -
Other U905 Checking/clearing counts by optional devices -
U942 Setting of deflection for feeding from DP 0/0
*1
*1
*: Factory initial setting, *1: The item initialized for executing U021
Y108671-9 Service Manual
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3K5-2

(3) Contents of maintenance mode items

Maintenance
item No.
U019
Description
Displaying the ROM version Description
Displays the part number of the ROM fitted to each PWB.
Purpose
To check the part number or to decide, if the newest version of ROM is installed.
Method
1. Press the start key. The ROM version are displayed.
2. Change the screen using the cursor up/down keys.
Display Description
MAIN Main ROM
MMI Operation ROM
ENGINE Engine ROM
ENGINE BOOT Engine booting
ENGINE POWER
SCANNER Scanner ROM
BROWSER Browser ROM
OPTION LANGUAGE Optional language ROM
DICTIONARY -
DBA Database connection
Solution Framework Solution framework
DP DP ROM
500x2PF Optional paper feeder ROM
1000DF Optional document finisher ROM
INNER DF Optional built-in finisher ROM
FAX BOOT1 Optional fax control PWB booting (port 1)
FAX APL1 Optional fax control PWB APL (port 1)
FAX IPL1 Optional fax control PWB IPL (port 1)
FAX BOOT2 Fax control PWB booting (port 2: optional dual FAX)
FAX APL2 Fax control PWB APL (port 2: optional dual FAX)
FAX IPL2 Fax control PWB IPL (port 2: optional dual FAX)
Engine power
1-3-34
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Service Manual Y108671-9
3K5-2
Maintenance
item No.
U068
Description
Adjusting the scanning position for originals from the DP Description
Adjusts the position for scanning originals from the DP. Performs the test copy at the four scanning positions after adjusting.
Purpose
Used when the image fogging occurs because the scanning position is not proper when the DP is used. Run U071 to adjust the timing of DP leading edge when the scanning position is changed.
Setting
1. Press the start key.
Display Description Setting
range
DP READ Starting position adjustment for
scanning originals
BLACK LINE Scanning position for the test copy
originals
2. Select [DP READ] of the screen for selecting an item.
3. Change the setting using the +/- or numeric keys. When the setting value is increased, the scanning position moves to the right and it moves to the left when the setting value is decreased.
4. Press the start key. The value is set.
5. Select [BLACK LINE] of the screen for selecting an item.
6. Select the scanning position using the +/- or numeric keys.
7. Press the start key. The value is set.
8. Set the original (the one which density is known) in the DP and press the system menu key. The screen for the test copy mode is displayed.
9. Press the start key. Test copy is executed.
10. Perform the test copy at each scanning position with the setting value from 0 to 3 and check that no black line appears and the image is normally scanned.
-55 to 55 0 0.11 mm
0 to 3 0 -
Initial setting
Change in value per step
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-35
3K5-2
Maintenance
item No.
U070
Description
Adjusting the DP magnification Description
Adjusts the DP original scanning speed.
Purpose
Make the adjustment if the magnification is incorrect in the auxiliary scanning direction when the DP is used.
Method
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
MOTOR ADJ (FRONT)
MOTOR ADJ (BACK)
Magnification in the auxiliary scanning direction (first side)
Magnification in the auxiliary scanning direction (second side)
-25 to 25 0 0.05 %
-25 to 25 0 0.05 %
Initial setting
Change in value per step
Adjustment: Auxiliary scanning direction
1. Press the system menu key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the system menu key.
4. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original Copy
example 1
Copy
example 2
Figure 1-3-13
5. Press the start key. The value is set.
Caution
Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U070
U071
(P.1-3-37)
U404
(P.1-3-44)
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
1-3-36
Service Manual Y108671-9
3K5-2
Maintenance
item No.
U071
Description
Adjusting the DP scanning timing Description
Adjusts the DP original scanning timing.
Purpose
Make the adjustment if there is a regular error between the leading or trailing edges of the original and the copy image when the DP is used.
Method
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
Initial setting
Change in value per step
FRONT HEAD Leading edge registration (first side) -66 to 66 0 0.08 mm
FRONT TAIL Trailing edge registration (first side) -66 to 66 0 0.08 mm
BACK HEAD Leading edge registration (second side) -66 to 66 0 0.08 mm
BACK TAIL Trailing edge registration (second side) -66 to 66 0 0.08 mm
Adjustment: Leading edge registration
1. Press the system menu key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the system menu key.
4. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original Copy
example 1
Copy
example 2
Figure 1-3-14
5. Press the start key. The value is set.
Caution
If the CCD first side is adjusted, check the CCD second side and if adjustment is required, carry out the adjustment. Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U071
U404
(P.1-3-44)
Y108671-9 Service Manual
1-3-37
3K5-2
Maintenance
item No.
U071
Description
Adjustment: Trailing edge registration
1. Press the system menu key.
2. Place an original on the DP and press the start key to make a test copy.
3. Press the system menu key.
4. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original
Copy
example 1
Copy
example 2
Figure 1-3-15
5. Press the start key. The value is set.
Caution
If the CCD first side is adjusted, check the CCD second side and if adjustment is required, carry out the adjustment. Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U071
U404
(P.1-3-44)
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
1-3-38
Service Manual Y108671-9
3K5-2
Maintenance
item No.
U072
Description
Adjusting the DP center line Description
Adjusts the scanning start position for the DP original.
Purpose
Make the adjustment if there is a regular error between the centers of the original and the copy image when the DP is used.
Adjustment
1. Press the start key.
2. Select the item to be adjusted.
Display Description
Setting range
Initial setting
Change in value per step
FRONT DP center line (first side) -40 to 40 0 0.08 mm
BACK DP center line (second side) -40 to 40 0 0.08 mm
3. Press the system menu key.
4. Place an original on the DP and press the start key to make a test copy.
5. Press the system menu key.
6. Change the setting value using the +/- or numeric keys. For copy example 1, increase the value. For copy example 2, decrease the value.
Original Copy
example 1
Copy
example 2
Figure 1-3-16
7. Press the start key. The value is set.
Caution
If the CCD first side is adjusted, check the CCD second side and if adjustment is required, carry out the adjustment. Check the copy image after the adjustment. If the image is still incorrect, perform the following adjustments in maintenance mode.
U072
U404
(P.1-3-44)
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-39
3K5-2
Maintenance
item No.
U074
U087
Description
Adjusting the DP input light luminosity Description
Sets the luminosity correction for scanning originals from the DP.
Purpose
Modify the setting only if a spotted background appears when a bluish original is scanned from the DP.
Setting
1. Press the start key.
2. Change the setting using the +/- or numeric keys.
Display Description Setting range Initial setting
INPUT DATA DP input light luminosity correction 0 to 3 0
Settings 0: No correction / 1: Slight correction / 2: Medium correction / 3: Strong correction
3. Press the start key. The value is set.
Supplement
While this maintenance item is being executed, copying from an original is available in interrupt copying mode (which is activated by pressing the system menu key).
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Setting DP reading position modification operation Description
The presence or absence of dust is determined by comparing the scan data of the original trailing edge and that taken after the original is conveyed past the DP original scanning position. If dust is identified, the DP original scanning position is adjusted for the following originals.
Purpose
When using DP, to solve the problem when black lines occurs due to the dust with respect to original reading position.
Method
1. Press the start key.
2. Select the item to be set. The setting screen for the selected item is displayed.
Display Description
CCD Setting of standard data when dust is detected
BLACK LINE Initialization of original reading position
Setting: Standard data when dust is detected
1. Select the item to be set.
2. Change the value using the +/- or numeric keys.
Display Description Setting range Initial setting
CCD R Lowest density of the R regard as the dust 0 to 255 125
CCD G Lowest density of the G regard as the dust 0 to 255 125
CCD B Lowest density of the B regard as the dust 0 to 255 125
3. Press the start key. The value is set.
Setting: Initialization of original reading position
1. Select [CLEAR].
2. Press the start key. The setting is cleared.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
1-3-40
Service Manual Y108671-9
3K5-2
Maintenance
item No.
U203
Description
Checking DP operation Description
Simulates the original conveying operation separately in the DP.
Purpose
To check the DP operation.
Method
1. Press the start key.
2. Place an original in the DP if running this simulation with paper.
3. Select the item to be operated.
Display Description Setting range Initial setting
CCD ADP (NON P)
CCD ADP With paper, single-sided original - -
CCD RADP (NON P)
CCD RADP With paper, double-sided original - -
SPEED
4. Press the start key. The operation starts.
5. To stop continuous operation, press the stop key.
Without paper, single-sided original (continuous operation)
Without paper, double-sided original (continuous operation)
Switching between normal reading (600 dpi) and high-speed reading
--
--
0 (Normal)/ 1 (High-speed)
0
U243
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Checking the operation of the DP motors Description
Turns the motors or solenoids in the DP on.
Purpose
To check the operation of the DP motors and solenoids.
Method
1. Press the start key.
2. Select the item to be operated.
3. Press the start key. The operation starts.
Display Motor and solenoid Operation
DP FEED MOT Original feed motor (OFM) In operation
DP CON MOT Original conveying motor (OCM) In operation
DP REV MOT Original switchback motor (OSBM) In operation
DP RP SOL Switchback pressure solenoid (SBPSOL) On for 0.5 s
DP RJ SOL Switchback feedshift solenoid (SBFSSOL) On for 0.5 s
4. To turn each motor off, press the stop key.
Completion
Press the stop key when operation stops. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-41
3K5-2
Maintenance
item No.
U244
Description
Checking the DP switches Description
Displays the status of the respective switches in the DP.
Purpose
To check if respective switches in the DP operate correctly.
Method
1. Press the start key.
2. Turn the respective switches on and off manually to check the status. If the on-status of a switch is detected, the corresponding switch is displayed in reverse.
Display Switches
TMG SW DP timing switch (DPTSW)
REV SW Original switchback switch (OSBSW)
SET SW Original set switch (OSSW)
SZ SW A Original size length switch (OSLSW)
COV OP SW DP interlock switch (DPILSW)
DP OP SW DP open/close switch (DPOCSW)
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
1-3-42
Service Manual Y108671-9
3K5-2
Maintenance
item No.
U326
Description
Setting the black line cleaning indication Description
Sets whether to display the cleaning guidance when detecting the black line.
Purpose
Displays the cleaning guidance in order to make the call for service with the black line decrease by the rubbish on the contact glass when scanning from the DP.
Setting
1. Press the start key.
2. Select the item to set. The screen for setting each item is displayed.
Display Description
BLACK LINE MODE Black line cleaning guidance ON/OFF setting
BLACK LINE COUNT Setting counts of the cleaning guidance indication
Setting: [BLACK LINE MODE]
1. Select ON or OFF.
Display Description
ON Displays the cleaning guidance
OFF Not to display the cleaning guidance
Initial setting: ON Setting count value is displayed only if the setting is ON.
2. Press the start key. The setting is set.
Setting: [BLACK LINE COUNT]
1. Change the setting value using the +/- or numeric keys.
Display Description Setting range Initial setting
COUNT *1000 Setting counts of the cleaning guidance
indication ( x 1000 sheets)
When setting is 0, the black line cleaning indication is displayed only if the black line is detected.
2. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
0 to 255 8
Y108671-9 Service Manual
1-3-43
3K5-2
Maintenance
item No.
U404
Description
Adjusting margins for scanning an original from the DP Description
Adjusts margins for scanning the original from the DP.
Purpose
Make the adjustment if margins are incorrect when the DP is used.
Caution
Before making this adjustment, ensure that the following adjustments have been made in maintenance mode.
(See the service manual
U402
for the machine.))
(See the service manual
U403
for the machine.)
U404
Adjustment
1. Press the start key.
2. Select the item to be adjusted.
Display Description
Setting range
Initial setting
Change in value per step
A MARGIN Left margin 0 to 10.0 3.0 0.5 mm
B MARGIN Leading edge margin 0 to 10.0 2.5 0.5 mm
C MARGIN Right margin 0 to 10.0 3.0 0.5 mm
D MARGIN Trailing edge margin 0 to 10.0 4.0 0.5 mm
3. Press the system menu key.
4. Place an original on the DP and press the start key to make a test copy.
5. Press the system menu key.
6. Change the setting value using the +/- keys. Increasing the value makes the margin wider, and decreasing it makes the margin narrower.
Leading edge margin (3±1.5 mm)
Left margin
(2±1.0 mm)
Trailing edge margin (2±1.0 mm)
Right margin (2±1.0 mm)
Figure 1-3-17
7. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
1-3-44
Service Manual Y108671-9
3K5-2
Maintenance
item No.
U411
Description
Adjusting the scanner automatically Description
Uses a specified original and automatically adjusts the following items in the scanner and the DP scanning sections.
Purpose
To perform automatic adjustment of various items in the scanner and the DP scanning sections.
Method
1. Press the start key.
2. Select the item. The screen for executing is displayed.
Display Description Original to be used for
adjustment (P/N)
SCANNER Automatic adjustment in the scanner section AVGR05131K
DP(FACE UP) Automatic adjustment in the DP scanning
AVGR11211F
section (first page)
Method: [SCANNER]
1. Enter the target values which are shown on the specified original (P/N: AVGR05131K) executing mainte­nance item U425.
2. Set a specified original (P/N: AVGR05131K) on the platen.
3. Select the item.
Display Description
ALL Automatic adjustment using the platen for: original size magnification/
leading edge timing/center line, input gamma, chromatic aberration filter, MTF filter and matrix.
INPUT Automatic adjustment using the platen for: original size magnification/
leading edge timing/center line.
C.A. Automatic adjustment using the platen for: chromatic aberration filter.
MTF Automatic adjustment using the platen for: MTF filter.
GAMMA Automatic adjustment using the platen for: input gamma.
MATRIX Automatic adjustment using the platen for: matrix.
4. Press the start key. Auto adjustment starts. When automatic adjustment has normally completed, [Complete] is displayed. If a problem occurs dur­ing auto adjustment, [ERROR XX] (XX is replaced by an error code) is displayed and operation stops. Should this happen, determine the details of the problem and either repeat the procedure from the beginning, or adjust the remaining items manually by running the corresponding maintenance items.
Method: [DP(FACE UP)]
1. Measure the leading edge, main scanning, and auxiliary scanning of the specified original (P/N: AVGR11211F) and enter the values by executing maintenance item U425.
2. Set a specified original (P/N: AVGR11211F) in the DP. Cut the trailing edge of the original.
F
R
74 ± 1 mm
Figure 1-3-18
Y108671-9 Service Manual
5 mm
149 ± 1 mm
1-3-45
3K5-2
Maintenance
item No.
U411 3. Press [INPUT].
Display Description
INPUT Automatic adjustment of first page using the DP for: original size mag-
4. Press the start key. Auto adjustment starts. When automatic adjustment has normally completed, [C auto adjustment, [ERROR XX] (XX is replaced by an error code) is displayed and operation stops. Should this happen, determine the details of the problem and either repeat the procedure from the begin­ning, or adjust the remaining items manually by running the corresponding maintenance items.
Error Codes
Codes Description
ERROR 01 Black band detection error (scanner leading edge registration)
ERROR 02 Black band detection error (scanner center line)
ERROR 03 Black band detection error (scanner main scanning direction magnification)
ERROR 04 Black band is not detected (scanner leading edge registration)
ERROR 05 Black band is not detected (scanner center line)
ERROR 06 Black band is not detected (scanner main scanning direction magnification)
ERROR 07 Black band is not detected (scanner auxiliary scanning direction magnification)
ERROR 08 Black band is not detected (DP main scanning direction magnification far end)
ERROR 09 Black band is not detected (DP main scanning direction magnification near end)
ERROR 0a Black band is not detected (DP auxiliary scanning direction magnification leading edge)
ERROR 0b Black band is not detected (DP auxiliary scanning direction magnification leading edge
ERROR 0c Black band is not detected (DP auxiliary scanning direction trailing edge)
ERROR 0d Black band is not detected (DP auxiliary scanning direction trailing edge 2)
ERROR 0e DMA time out
ERROR 0f Auxiliary scanning direction magnification error
ERROR 10 Auxiliary scanning direction leading edge detection error
ERROR 11 Auxiliary scanning direction trailing edge detection error
ERROR 12 Auxiliary scanning direction skew 1.5 error
ERROR 13 Maintenance request error
ERROR 14 Main scanning direction center line error
ERROR 15 Main scanning direction skew 1.5 error
ERROR 16 Main scanning direction magnification error
ERROR 17 Service call error
ERROR 18 DP JAM error
ERROR 19 PWB error
ERROR 1a Original error
original check)
Description
nification/leading edge timing/center line.
omplete
] is displayed. If a problem occurs during
1-3-46
Completion
Press the stop key. The screen for selecting a maintenance item is displayed.
Service Manual Y108671-9
3K5-2
Maintenance
item No.
U905
Description
Checking/clearing counts by optional devices Description
Displays the counts of DP or finisher.
Purpose
To check the use of DP and finisher.
Method
1. Press the start key.
2. Select the device, the count of which is to be checked.
3. Press the start key. The count of the selected device is displayed.
Display Description
DP Counts of optional DP
FINISHER Counts of optional document finisher or built-in finisher
DP
Display Description
ADP No. of single-sided originals that has passed through the DP
RADP No. of double-sided originals that has passed through the DP
Document finisher/Built-in finisher
Display Description
CP CNT No. of copies that has passed
STAPLE Frequency the stapler has been activated
U942
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Setting of deflection for feeding from DP Description
Adjusts the deflection generated when the DP is used.
Purpose
Use this mode if an original non-feed jam, oblique feed or wrinkling of original occurs when the DP is used.
Setting
1. Press the start key.
2. Select the item to be adjusted.
Display Description Setting
range
FEED MOT Deflection in the original feed motor -31 to 31 0 0.31 mm
REV MOT Deflection in the original switchback
motor
3. Press the system menu key.
4. Place an original on the DP and press the start key to make a test copy.
5. Press the system menu key.
6. Change the setting value using the +/- or numeric keys. The greater the value, the larger the deflection; the smaller the value, the smaller the deflection. If an original non-feed jam or oblique feed occurs, increase the setting value. If wrinkling of original occurs, decrease the value.
7. Press the start key. The setting is set.
-31 to 31 0 0.39 mm
Initial setting
Change in value per step
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Y108671-9 Service Manual
1-3-47
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This page is intentionally left blank.
1-3-48
Service Manual Y108671-9
3K5
1-4 Troubleshooting

1-4-1 Original misfeed detection

(1) Original misfeed indication

When an original jams, the machine immediately stops operation and a message is shown on the machine operation panel. To remove the jammed original, open the document processor top cover. To reset the original misfeed detection, open and close the document processor top cover.

(2) Original misfeed detection conditions

OSBSW
DPTSW
Figure 1-4-1
Y108671-9 Service Manual
1-4-1
3K5
Section Jam code Conditions Specified
DP 70
No original feed
The DP timing switch (DPTSW) does not turn on within spec­ified time during the first sheet feeding (Retry 5 times).
1468 pulses
time
71 An original jam in the orig­inal conveying section 1
72 An original jam in the orig­inal conveying section 2
73 An original jam in the orig­inal switchback section
74 An original jam in the orig­inal switchback/feed sec­tion
75 An original jam in the orig­inal switchback/convey­ing section
78 Document processor cover open
The DP timing switch (DPTSW) does not turn on within spec­ified time during the second sheet feeding (Retry 5 times).
DP timing switch (DPTSW) does not turn off within specified time of the original conveying motor (OCM) turning on.
DP timing switch (DPTSW) turns off within the specified time of period of the original conveying motor (OCM) turning on.
During original switchback operation, DP timing switch (DPTSW) does not turn off within specified time of the origi­nal conveying motor (OCM) turning on.
DP timing switch (DPTSW) does not turn on within specified time of the original switchback motor (OSBM) turning on.
The original switchback switch (OSBSW) does not turn on within specified time of the DP timing switch (DPTSW) turn­ing off.
The document processor or document processor top cover is opened during original feeding. DP timing switch (DPTSW) or original switchback switch (OSBSW) turns on when starting the original paper feed.
1468 pulses
9900 pulses 30558 pulses for large sizes
1145 pulses
9900 pulses 30558 pulses for large sizes
2300 pulses
1815 pulses
-
1-4-2
Service Manual Y108671-9

(3) Paper misfeeds

3K5
Problem
(1) An original jams in DP is indicated dur­ing copying (no origi­nal feed). Jam code 70
(2) An original jams in DP is indicated dur­ing copying (a jam in the original convey­ing section 1). Jam code 71
(3) An original jams in DP is indicated dur­ing copying (a jam in the original convey­ing section 2). Jam code 72
(4) An original jams in DP is indicated dur­ing copying (a jam in the original switch­back section). Jam code 73
(5) An original jams in DP is indicated dur­ing copying (a jam in the original switch­back/feed section). Jam code 74
(6) An original jams in DP is indicated dur­ing copying (a jam in the original switch­back/conveying sec­tion). Jam code 75
Causes/check procedures
Defective DP timing switch. Run maintenance item U244 and turn the DP timing switch on and
off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse.
Check if the original feed motor malfunctions.
Defective DP timing switch. Run maintenance item U244 and turn the DP timing switch on and
Defective DP timing switch. Run maintenance item U244 and turn the DP timing switch on and
Check if the original con­veying motor malfunctions.
Defective DP timing switch. Run maintenance item U244 and turn the DP timing switch on and
Check if the original con­veying motor malfunctions.
Defective DP timing switch. Run maintenance item U244 and turn the DP timing switch on and
Check if the original switch­back motor malfunctions.
Defective switch. Run maintenance item U244 and turn switch on and off manually.
Run maintenance item U243 and select the original feed motor on the touch panel to be turned on and off. Check the status and rem­edy if necessary.
off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse.
off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse.
Run maintenance item U243 and select the original conveying motor on the touch panel to be turned on and off. Check the status and remedy if necessary.
off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse.
Run maintenance item U243 and select the original conveying motor on the touch panel to be turned on and off. Check the status and remedy if necessary.
off manually. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse.
Run maintenance item U243 and select the original switchback motor on the touch panel to be turned on and off. Check the status and remedy if necessary.
Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse. DP timing switch, original switchback switch
Corrective measures
Y108671-9 Service Manual
1-4-3
3K5-2

1-4-2 Self-diagnosis

(1) Self-diagnostic function

This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled and the problem dis­played as a code consisting of C followed by a number, indicating the nature of the problem. A message is also displayed requesting the user to call for service. After removing the problem, the self-diagnostic function can be reset by turning the main power switch off and back on.

(2) Self diagnostic codes (DP-670)

Remarks
Code Contents
C9000 DP communication problem
A communication error is detected.
Causes Check procedures/corrective measures
Poor contact in the connector termi­nals.
Check the connection of connector YC24 and YC31 on the engine PWB and the con­nector of the DP, and the continuity across the connector terminals. Repair or replace if necessary.
C9060 DP EEPROM error
Read and write data does not match. Data in the specified area of the backup memory does not match the specified values.

(3) Self diagnostic codes (DP-670(B))

Code Contents
C9000 DP communication problem
A communication error is detected.
C9060 DP EEPROM error
Read and write data does not match. Data in the specified area of the backup memory does not match the specified values.
Defective DP main PWB.
Defective DP main PWB.
Device damage of EEPROM.
Causes Check procedures/corrective measures
Poor contact in the connector termi­nals.
Defective DP main PWB.
Defective DP main PWB.
Device damage of EEPROM.
Replace the DP main PWB and check for correct operation.
Replace the DP main PWB and check for correct operation.
Contact the Service Administrative Division.
Remarks
Check the connection of connector YC7 and YC8 on the scanner PWB and the connector of the DP, and the continuity across the con­nector terminals. Repair or replace if neces­sary.
Replace the DP main PWB and check for correct operation.
Replace the DP main PWB and check for correct operation.
Contact the Service Administrative Division.
1-4-4
Service Manual Y108671-9

1-4-3 Electric problems

Troubleshooting to each failure must be in the order of the numbered symptoms.
Problem Causes Check procedures/corrective measures
(1) The original feed motor, original con­veying motor or origi­nal switchback motor does not operate.
1. Poor contact in the con­nector terminals.
2. Defective drive transmis­sion system.
3. Defective motor. Run maintenance item U243 and check if the motor operates. If
4. Defective DP main PWB. Run maintenance item U243 and check if the motor operates. If
Reinsert the connector. Also check for continuity within the con­nector cable. If none, remedy or replace the cable.
Check if the rollers and gears rotate smoothly. If not, grease the bushings and gears. Check for broken gears and replace if any.
not, replace the motor.
not, replace the DP main PWB.
3K5
(2) The DP cooling fan motor does not oper­ate.
(3) The switchback feed­shift solenoid or switchback pressure solenoid does not operate.
(4) A message indicating cover open is dis­played when the doc­ument processor top cover is closed cor­rectly.
(5) An original jams when the main power switch is turned on.
1. Poor contact in the con­nector terminals.
2. Broken motor coil. Check for continuity across the coil. If none, replace the motor.
1. Defective solenoid coil. Check for continuity across the coil. If none, replace the solenoid.
2. Poor contact in the con­nector terminals.
3. Defective DP main PWB. Run maintenance item U243 and check if the solenoid operates. If
1. Poor contact in the con­nector terminals of DP interlock switch.
2. Defective DP interlock switch.
1. A piece of paper torn from an original is caught around the switch.
2. Defective DP timing switch or original switch­back switch.
Reinsert the connector. Also check for continuity within the con­nector cable. If none, remedy or replace the cable.
Reinsert the connector. Also check for continuity within the con­nector cable. If none, remedy or replace the cable.
not, replace the DP main PWB.
Reinsert the connector. Also check for continuity within the con­nector cable. If none, remedy or replace the cable.
Check for continuity across the contacts of the switch. If none when the switch is on, replace DP interlock switch.
Remove any found.
Run maintenance item U244 and turn the switch on and off manu­ally. Replace the switch if indication of the corresponding switch on the touch panel is not displayed in reverse.
Y108671-9 Service Manual
1-4-5
3K5

1-4-4 Mechanical problems

Problem Causes/check procedures Corrective measures
(1) No primary original feed.
The surfaces of the DP forwarding pulley, DP feed pulley or DP separation pad are dirty with paper powder.
Check if the DP forwarding pulley or the DP feed pulley is deformed.
Electrical problem with the original feed motor.
Check and clean them with isopropyl alcohol if they are dirty.
If so, replace (see page 1-5-2).
See page 1-4-5.
(2) Originals jam.
Originals outside the specifications are used. Use only originals conforming to the specifi-
cations.
The surfaces of the DP forwarding pulley, DP original feed pulley or DP separation pad are dirty with paper powder.
Check if the contact between the eject roller and eject pulley is correct.
Check if the contact between the switchback roller and switchback pulley is correct.
Check and clean them with isopropyl alcohol if they are dirty.
Check visually and remedy if necessary.
Check visually and remedy if necessary.
1-4-6
Service Manual Y108671-9
3K5-2
1-5 Assembly and Disass embly

1-5-1 Precautions for assembly and disassembly

(1) Precautions

Before starting disassembly, press the Power key on the operation panel to off. Make sure that the Power lamp is off before turning off the main power switch. And then unplug the power cable from the wall outlet. Turning off the main power switch before pressing the Power key to off may cause damage to the equipped hard disk. When handling PWBs (printed wiring boards), do not touch parts with bare hands. The PWBs are susceptible to static charge. Do not touch any PWB containing ICs with bare hands or any object prone to static charge. When removing the hook of the connector, be sure to release the hook. Take care not to get the cables caught. To reassemble the parts, use the original screws. If the types and the sizes of screws are not known, refer to the PARTS LIST.
Output Connector for Interconnecting Cable is non-LPS. Output: 357VA max. Please use the item below Interconnecting Cable/ P/N: AVGR09299W
Y108671-9 Service Manual
1-5-1
3K5

1-5-2 Original feed section

(1) Detaching and refitting the DP forwarding pulley and DP feed pulley

Follow the procedure below to clean or replace the DP forwarding pulley or DP feed pulley.
Procedure Removing the DP forwarding pulley
1. Open the document processor top cover.
2. Raise the DP feed pulley unit. Release the claw holding the DP forwarding pulley shaft and then pull out the shaft.
3. Remove the DP forwarding pulley.
Document processor top cover
DP feed pulley unit
DP forwarding pulley
Figure 1-5-1
DP forwarding pulley shaft
Claw
DP feed pulley unit
1-5-2
Service Manual Y108671-9
Removing the DP feed pulley
4. Remove the stop ring and two original feed guides of the DP feed pulley shaft. When mounting the original feed guide, fit the projection of the original feed guide into the groove of the DP feed pulley shaft. Align the original feed guide with the side affixed with a C label facing the front side of the machine.
5. Remove the DP feed pulley unit from the DP.
Stop ring
3K5
Groove
DP feed pulley shaft
Original feed guide
DP feed pulley shaft
DP feed pulley unit
Original feed guide
Original feed guide
Label C
Figure 1-5-2
Y108671-9 Service Manual
1-5-3
3K5
6. Remove two stop rings and then remove DP feed pulley shaft from the DP feed pulley unit.
7. Remove DP feed pulley from the DP feed pulley shaft.
8. Clean or replace the DP forwarding pulley and the DP feed pulley. Refit all the removed parts.
DP feed pulley shaft
DP feed pulley
DP feed pulley unit
Stop ring
Stop ring
DP feed pulley shaft
Figure 1-5-3
1-5-4
Service Manual Y108671-9

(2) Detaching and refitting the DP separation pad

Follow the procedure below to clean or replace the DP separation pad.
Procedure
1. Remove the DP feed pulley unit. (see page
DP separation pad
1-5-2)
2. Push the inserted parts of the DP separation pad and then remove the DP separation pad.
3. Clean or replace the DP separation pad. Refit all the removed parts.
Inserted part
3K5
DP separation pad
Inserted part
Figure 1-5-4
Y108671-9 Service Manual
1-5-5
3K5-1

1-5-3 Image adjustment

(1) Adjusting the angle of leading edge

Perform the following adjustment if the leading edge of the copy image is laterally skewed.
Procedure
1. Place an original on the DP and press the start key to make a test copy.
2. If the gap of leading edge exceeds the refer­ence value, perform the following adjust­ment. Reference value For simplex copying: Within ±3.0 mm For duplex copying: Within ±4.0 mm
3. Open the DP and loosen two adjusting screws of right hinge.
4. Adjust the position of the DP. For copy example 1: Move the DP down ( ). For copy example 2: Move the DP up ( ). Amount of change per scale: Approx. 0.5 mm
5. Tighten two adjusting screws.
Original
Adjusting screws
Copy
example 1
Figure 1-5-5
3 mm/4 mm 3 mm/4 mm
Copy
example 2
6. Remove the original mat.
7. Place the original mat with its hook and loop fasteners up over the platen. Align the original mat corner that has not been surface cut with the rear left corner of the platen.
8. Close the DP slowly to attach the original mat.
9. Make a test copy again.
10. Repeat steps 3 to 9 above until the gap of the leading edge falls within the reference values.
1-5-6
Figure 1-5-6
Original mat
Figure 1-5-7
Service Manual Y108671-9

(2) Adjusting the angle of trailing edge

Perform the following adjustment if the trailing edge of the copy image is laterally skewed.
Procedure
1. Place an original on the DP and press the start key to make a test copy.
2. If the gap of trailing edge exceeds the refer­ence value, perform the following adjust­ment. Reference value For simplex copying: Within ±3.0 mm For duplex copying: Within ±4.0 mm
Original
Copy
example 1
Figure 1-5-8
3. Open the DP and release two latches using a flat-head screwdriver.
Latches
3K5
3 mm/4 mm 3 mm/4 mm
Copy
example 2
4. Release three latches using a flat-head screwdriver and remove the DP rear cover.
Latch
Figure 1-5-9
DP rear cover
Figure 1-5-10
Latch
Latch
Y108671-9 Service Manual
1-5-7
3K5-1
5. Adjust the height of DP.
1) Loosen the nut.
2) For copy example 1: Loosen the adjusting screw ( ). For copy example 2: Tighten the adjusting screw ( ).
3) Tighten the nut.
6. Refit the DP rear cover.
Original
Adjusting screw
Nut
3 mm/4 mm 3 mm/4 mm
Copy
example 1
Figure 1-5-11
Copy
example 2
7. Remove the original mat.
8. Place the original mat with its hook and loop fasteners up over the platen. Align the original mat corner that has not been surface cut with the rear left corner of the platen.
9. Close the DP slowly to attach the original mat.
10. Make a test copy again.
11. Repeat steps 3 to 10 above until the gap of the trailing edge falls within the reference values.
Figure 1-5-12
Original mat
Figure 1-5-13
1-5-8
Service Manual Y108671-9
1-6 Requirements on PWB R eplacement

1-6-1 Upgrading the firmware (DP-670/models with color touch panel)

Follow the procedure below to upgrade the firmware.
Firmware upgrading requires the following tools:
Compact Flash (Products manufactured by SANDISK are recommended.) or USB memory
NOTE
When writing data to a new Compact Flash from a computer, be sure to format it in advance.
Procedure
1. Press the power key on the operation panel to off. Make sure that the power indicator and the memory indicator are off before turning off the main power switch. And then unplug the power cable from the wall outlet.
2. Insert Compact Flash or USB memory in a notch hole of the machine. Insert the surface of Compact Flash toward the machine rear.
3. Insert the power plug and turn the main power switch on. Upgrading firmware starts for 3 minutes.
Caution:
Never turn the main power switch off during upgrading.
USB memory
3K5-2
4. [Completed] is displayed on the touch panel when upgrading is complete.
5. Press the power key on the operation panel to off. Make sure that the power indicator and the memory indicator are off before turning off the main power switch. And then unplug the power cable from the wall outlet.
6. Remove Compact Flash or USB memory from the machine.
7. Insert the power plug and turn the main power switch on.
Compact Flash
Figure 1-6-1
Y108671-9 Service Manual
1-6-1
3K5-2

1-6-2 Upgrading the firmware (DP-670/models with monochrome touch panel)

Follow the procedure below to upgrade the firmware.
Firmware upgrading requires the following tools:
Compact Flash (Products manufactured by SANDISK are recommended.)
NOTE
When writing data to a new Compact Flash from a computer, be sure to format it in advance.
Procedure
1. Press the power key on the operation panel to off. Make sure that the power indicator and the memory indicator are off before turning off the main power switch. And then unplug the power cable from the wall outlet.
2. Remove two screws and remove the right upper plate lid.
3. Insert Compact Flash in a notch hole of the machine. Insert the surface of Compact Flash toward the machine rear.
4. Insert the power plug and turn the main power switch on. Upgrading firmware starts .
Caution:
Never turn the main power switch off during upgrading.
Compact Flash
5. [Completed] is displayed on the touch panel when upgrading is complete.
6. Press the power key on the operation panel to off. Make sure that the power indicator and the memory indicator are off before turning off the main power switch. And then unplug the power cable from the wall outlet.
7. Remove Compact Flash from the machine.
8. Refit the right upper plate lid.
9. Insert the power plug and turn the main power switch on.
Screw
Right upper plate lid
Screw
Figure 1-6-2
1-6-2
Service Manual Y108671-9

1-6-3 Upgrading the firmware (DP-670(B)/models with color touch panel)

Follow the procedure below to upgrade the firmware.
Firmware upgrading requires the following tools:
USB memory
Procedure
1. Press the power key on the operation panel to off. Make sure that the power indicator and the memory indicator are off before turning off the main power switch. And then unplug the power cable from the wall outlet.
2. Insert the USB memory in the USB memory slot. Insert the power plug and turn the main power switch on. Upgrading firmware starts.
Caution:
Never turn the main power switch off during upgrading.
USB memory slot
3K5-2
3. [100% Completed] is displayed on the touch panel when upgrading is complete.
4. Press the power key on the operation panel to off. Make sure that the power indicator and the memory indicator are off before turning off the main power switch. And then unplug the power cable from the wall outlet.
5. Remove the USB memory from the USB memory slot.
6. Insert the power plug and turn the main power switch on.
USB memory
Figure 1-6-3
Y108671-9 Service Manual
1-6-3
3K5
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1-6-4
Service Manual Y108671-9
3K5

2-1 Mechanical construction

2-1-1 Mechanical construction

The DP consists of the original feed section, original conveying section and original switchback section. The original feed section conveys an original set on the original table to the original conveying section in synchronization with original scanning of the scanner on the machine. The original conveying section conveys an original onto the slit glass and ejects it after scanning is complete. The original switchback section reverses an original conveyed from the original conveying section and conveys it again to the original conveying section in the double-sided original mode.
19
18
2
1
5
3
4
13
14
8
7
21
10
20
9
15
24
22
11
12
6
17
23
16
Figure 2-1-1 Original feed section
(1) DP forwarding pulleys (2) DP original feed pulley (3) DP separation pad (4) Conveying pulley (5) Conveying roller (6) Conveying pulley (7) Conveying pulley (8) Switchback feedshift guide (9) Switchback roller (10) Switchback pulley (11) Eject pulley (12) Eject roller
(13) Original set switch (OSSW) (14) DP timing switch (DPTSW) (15) Original switchback switch (OSBSW) (16) Original size length switch (OSLSW) (17) Scanning guide (18) Conveying upper guide (19) Document processor top cover (20) Actuator (Original set switch) (21) Actuator (DP timing switch) (22) Actuator (Original switchback switch) (23) Actuator (Original size length switch) (24) Original size width switch (OSWSW)
Y108671-9 Service Manual
2-1-1
3K5
DPMPWB
YC7-2,3
YC4-7,9,10,12
B,A,_B,_A
YC3-1,3,4,6
YC4-1,3,4,6
YC6-2
YC10-2
YC7-5
YC9-2
B,A,_B,_A
B,A,_B,_A
OCM
ORM
DPTSW
Figure 2-1-2
OSBM
SBFSSOL
OSSW
SBPSOL
OSBSW
2-1-2
Service Manual Y108671-9
3K5

(1) Operation of original switchback

In the double-sided original mode, after the first side of an original is scanned, the switchback feedshift guide is activated to switch the conveying path to the switchback tray side and the original is fed to the switchback tray. Then, the original is reversed by the reverse rotation of the original switchback motor (OSBM) and conveyed again to the original conveying section. After the second side is scanned, the original is fed temporarily to the switchback tray, is reversed, is conveyed without scanning, and then is ejected to the exit tray. Also the switchback press solenoid (SBPSOL) is activated to release the switchback pulley for preventing original jams in the original switchback section.
First side scanning Switchback tray
Original conveying motor (OCM): Forwerd rotation
Original switchback motor (OSBM): Forwerd rotation
Switchback feedshift solenoid (SBFSSOL): ON
Original switchback operate
Original conveying motor (OCM): Stop
Original switchback motor (OSBM): Reverse rotation
Switchback feedshift solenoid (SBFSSOL): OFF
Second side scanning Switchback tray
Original conveying motor (OCM): Forwerd rotation
Original switchback motor (OSBM): Forwerd rotation
Switchback feedshift solenoid (SBFSSOL): ON
Original switchback operate
Original conveying motor (OCM): Stop
Original switchback motor (OSBM): Reverse rotation
Switchback feedshift solenoid (SBFSSOL): OFF
Conveyed without scanning Eject tray
Original conveying motor (OCM): Forwerd rotation
Original switchback motor (OSBM): Forwerd rotation
Switchback feedshift solenoid (SBFSSOL): OFF
Figure 2-1-3
Y108671-9 Service Manual
2-1-3
3K5
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2-1-4
Service Manual Y108671-9

2-2 Electrical Parts Layout

2-2-1 Electrical parts layout

(1) PWBs

2
1
Machine front Machine inside Machine rear
Figure 2-2-1 PWBs
1. DP main PWB (DPMPWB) .......................... Controls electrical components of the DP.
2. Original set LED PWB (OSLEDPWB).......... Indicates presence of originals on the DP or an original jam.
3K5
Y108671-9 Service Manual
2-2-1
3K5

(2) Switches and sensors

1
2
4
5
3
Machine front Machine inside Machine rear
Figure 2-2-2 Switches and sensors
1. DP interlock switch (DPILSW) ..................... Breaks the safety circuit when the document processor top cover is
opened; resets original misfeed detection.
2. Original set switch (OSSW) ......................... Detects the presence of an original.
3. DP timing switch (DPTSW) .......................... Detects the original scanning timing.
4. Original switchback switch (OSBSW) .......... Detects an original misfeed in the original switchback section.
5. Original size width switch (OSWSW) ........... Detects the width of the original.
6. Original size length switch (OSLSW) ........... Detects the length of the original.
7. DP open/close switch (OPOCSW)............... Detects the opening/closing of the DP.
6
7
2-2-2
Service Manual Y108671-9

(3) Motors

3K5
1
2
3
4
Machine front Machine inside Machine rear
Figure 2-2-3 Motors
1. Original feed motor (OFM) ........................... Drives the original feed section.
2. Original conveying motor (OCM) ................. Drives the original conveying section.
3. Original switchback motor (OSBM).............. Drives the original switchback section.
4. DP cooling fan motor (DPCFM) ................... Cools the drive section.
Y108671-9 Service Manual
2-2-3
3K5

(4) Solenoids

2
1
Machine front Machine inside Machine rear
Figure 2-2-4 Solenoids
1. Switchback feedshift solenoid (SBFSSOL).. Operates the switchback feedshift guide.
2. Switchback pressure solenoid (SBPSOL).... Operates the switchback pulley.
2-2-4
Service Manual Y108671-9
2-3 Operation of the PWBs

2-3-1 DP main PWB

DPILSW
24 V
5 V
DPCFM
Machine
R24 V
Cover open detection
Motor driver
EEPROM
OFMOCM OSBM
Motor driver
Motor driver
3K5
SBPSOL
SBFSSOL
OSBSW
ORGVSYNC,SCLK, SDO,SDI,RDY,SEL
Buffer
DPMPWB
OSLEDPWB
CPU
Figure 2-3-1 DP main PWB block diagram
DPTSW
OSSW
OSWSW
OSLSW
DPOCSW
Y108671-9 Service Manual
2-3-1
3K5
YC1YC2
162
YC12
71
51
10
1
YC11
114 5
YC7YC8
4
U4
3
YC10 YC6
1
3
1
2-3-2
15
YC5
1
6
YC4YC3
Figure 2-3-2 DP main PWB silk-screen diagram
Service Manual Y108671-9
18
YC9
121
Connector Pin No. Signal I/O Voltage Description
YC1 1 FG - - Ground
Connected to the machine.
YC2 1 SDI I 0/5 V DC (pulse) Serial communication data signal
Connected to the machine.
YC3 1 B O 0/24 V DC (pulse) OFM drive control signal (B)
Connected to the origi­nal feed motor.
YC4 1 B O 0/24 V DC (pulse) OCM drive control signal (B)
Connected to the origi­nal convey­ing motor and original switchback motor.
YC5 1 24V O 24 V DC 24 V DC supply
Connected to the DP interlock switch.
YC6 1 5V O 5 V DC 5 V DC supply
Connected to the DP timing switch.
2 5V I 5 V DC 5 V DC supply
3 GND - - Ground
4 24V I 24 V DC 24 V DC supply
2 SDO O 0/5 V DC (pulse) Serial communication data signal
3 SCLK I 0/5 V DC (pulse) Serial communication clock signal
4 DPSEL I 0/5 V DC DP select signal
5 DPRDY O 0/5 V DC DP ready signal
6 ORGVSYNC O 5 V DC DP original scanning interval signal
7 GND - - Ground
8 GND - - Ground
9 GND - - Ground
10 GND - - Ground
2 COM_A(R24V) O 24 V DC 24 V DC supply
3 A O 0/24 V DC (pulse) OFM drive control signal (A)
4 _B O 0/24 V DC (pulse) OFM drive control signal (_B)
5 COM_B(R24V) O 24 V DC 24 V DC supply
6 _A O 0/24 V DC (pulse) OFM drive control signal (_A)
2 COM_A(R24V) O 24 V DC 24 V DC supply
3 A O 0/24 V DC (pulse) OCM drive control signal (A)
4 _B O 0/24 V DC (pulse) OCM drive control signal (_B)
5 COM_B(R24V) O 24 V DC 24 V DC supply
6 _A O 0/24 V DC (pulse) OCM drive control signal (_A)
7 B O 0/24 V DC (pulse) OSBM drive control signal (B)
8 COM_A(R24V) O 24 V DC 24 V DC supply
9 A O 0/24 V DC (pulse) OSBM drive control signal (A)
10 _B O 0/24 V DC (pulse) OSBM drive control signal (_B)
11 COM_B(R24V) O 24 V DC 24 V DC supply
12 _A O 0/24 V DC (pulse) OSBM drive control signal (_A)
2 N.C. - - Not used
3 R24V I 0/24 V DC 24 V DC supply
4 N.C. - - Not used
5 COV_OPN I 24/0 V DC DPILSW: On/Off
2 TMG SW I 0/5 V DC DPTSW: On/Off
3 GND - - Ground
3K5
Y108671-9 Service Manual
2-3-3
3K5
Connector Pin No. Signal I/O Voltage Description
YC7 1 24V O 24 V DC 24 V DC supply
Connected to the switchback presser solenoid and switch­back feed­shift solenoid.
YC8 1 LED_RD O 2.1/0 V DC OSLEDPWB (red): On/Off
Connected to the origi­nal set LED PWB.
YC9 1 5V O 5 V DC 5 V DC supply
Connected to the origi­nal switch­back switch, original size length switch and original size width switch.
YC10 1 GND - - Ground
Connected to original set switch.
YC11 1 5V O 5 V DC 5 V DC supply
Connected to DP cool­ing fan motor.
2 ACT O 0/24 V DC SBPSOL (ACT): On/Offd
3 RET O 0/24 V DC SBPSOL (RET): On/Off
4 24V O 24 V DC 24 V DC supply
5 ACT O 0/24 V DC SBFSSOL: On/Off
2 GND - - Ground
3 LED_GN O 2.1/0 V DC OSLEDPWB (green): On/Off
4 N.C. - - Not used
2 REV SW I 0/5 V DC OSBSW: On/Off
3 GND - - Ground
4 SZ_SW_L I 0/5 V DC OSLSW: On/Off
5 5V O 5 V DC 5 V DC supply
6 GND - - Ground
7 SZ_SW_W I Analog OSWSW: On/Off
8 5V O 5 V DC 5 V DC supply
2 SET SW I 0/5 V DC OSSW: On/Off
3 5V O 5 V DC 5 V DC supply
2 N.C. - - Not used
3 N.C. - - Not used
4 N.C. - - Not used
5 GND - - Ground
2-3-4
Service Manual Y108671-9
2-4 Appendixes

List of maintenance parts

3K5
Maintenance part name
Name used in service man- Name used in parts list
Part No.
Alternative
part No.
Fig.
No.
Ref.
No.
DP forwarding pulley PULLEY,LEADING FEED ADF AVGR00737E - 3 41
DP feed pulley PULLEY PAPER FEED AVGR00735W - 3 45
DP separation pad PAD SEPARATION AVGR08552E - 3 18
Friction plate FRICTION PLATE LF AVGR09314K - 3 46
Conveying roller PARTS CONVEYING ROLLER ASSY SP AVGR08553A - 4 17
Conveying pulley PULLEY CONVEYING AVGR12899S - 3 61
Conveying pulley PULLEY CONVEYING AVGR12899S - 4 37
Conveying pulley PULLEY LOOP AVGR12904S - 4 46
Scanning guide GUIDE READING AVGR09297D - 2 17
Switchback roller PARTS ROLLER LOOP SP AVGR08554X - 4 19
Switchback pulley PULLEY LOOP AVGR12904S -
4 46
Eject roller PARTS ROLLER EJECT SP AVGR08555T - 4 18
Eject pulley PULLEY CONVEYING AVGR12899S - 4 37
Original holder mat PLARTE ORIGINAL AVGR08556F - 1 7
Y108671-9 Service Manual
2-4-1
3K5-1

Periodic maintenance procedures

Section
Test copy and test print
Maintenance part/location
Perform at the maxi­mum copy size
Clean Every service.
Method Maintenance cycle Points and cautions Page
Section
Original feed section
Section
Original con­veying sec­tion
Maintenance part/location
DP forwarding pulley Replace 150K Replace (Clean with alcohol
DP feed pulley Replace 150K Replace (Clean with alcohol
DP separation pad Replace 150K Replace (Clean with alcohol
Friction plate Clean Every service. Clean with alcohol.
Maintenance part/location
Conveying roller Clean Every service Clean with alcohol or a dry
Conveying pulley Check or
Scanning guide Clean Every service Clean with alcohol or a dry
Method Maintenance cycle Points and cautions Page
when user call occurs).
when user call occurs).
when user call occurs).
Method Maintenance cycle Points and cautions Page
cloth.
150K Clean with alcohol or a dry
clean
cloth.
cloth.
P. 1 -5 - 2
P. 1 -5 - 2
P. 1 -5 - 5
Section
Original switchback section
Section
Other Original holder mat Clean 150K Clean with alcohol or a dry
2-4-2
Maintenance part/location
Switchback roller Clean Every service Clean with alcohol or a dry
Switchback pulley Check or
Eject roller Clean Every service Clean with alcohol or a dry
Eject r pulley Check or
Maintenance part/location
Method Maintenance cycle Points and cautions Page
cloth.
150K Clean with alcohol or a dry
clean
150K Clean with alcohol or a dry
clean
Method Maintenance cycle Points and cautions Page
cloth.
cloth.
cloth.
cloth.
Service Manual Y108671-9
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