Ricoh FT7060 Service manual
RICOH
RICOH COMPANY, LTD.
RICOH FT7060
FIELD SERVICE
MANUAL
I. INSTALLATION
1.
Environment
2.
Minimum Space Requirements
Machine Level
3.
4.
Power Source
Unpacking and Installation
5.
6.
Key Counter Holder Installation
7.
A3 / 11” x 17” Counter Installation
8.
Modifying Main Transformer Voltage (220V to 240V)
9.
Preparation for Transporting the Copier . . . . . . . . . . 1-18
II. SERVICE TABLES
TABLE OF CONTENTS
1-1
1-2
1-3
1-3
1-4
1-15
1-16
1-17
PM TABLE
SERVICE TABLES
1. Test Points
2. Variable Resisters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
3. Dip Switches
SERVICE REMARKS
SPECIAL TOOLS AND LUBRICANTS . . . . . . . . . . . . . . . . . . . . . . . . 2-12
III. REPLACEMENT AND ADJUSTMENT
EXTERIOR COMPONENT REMOVAL
1.
Exposure Glass and Operation Panel Removal
2.
Top Plate Removal
DRUM
AND CHARGE
Drum Replacement 3-3
3.
4.
Drum Thermoswitch and Heater Replacement
Charge Corona Wire Replacement
5.
Charge Cleaner Drive Wire Replacement
6.
EXPOSURE
7. Scanner Drive Wire Replacement
8. Lens Drive Wire Replacement
9. Exposure Lamp Unit Removal
DEVELOPMENT
10. Development Unit Removal
11. Developer Replacement
12. Development Roller and Paddle Roller Removal . . 3-24
13. Adjustment of Development Roller Gaps
14. Image Density Sensor Cleaning and Removal
15. Image Density Sensor Adjustment
2-1
2-5
2-6
2-7
3-1
3-2
3-4
3-5
3-6
3-7
3-17
3-21
3-22
3-23
3-26
3-28
3-29
TRANSFER AND PICK-OFF
16. Transport Unit Removal
17. Pre-transfer Corona Wire Replacement
18. Transfer and Separation Corona Wire Replacement
19. Drive Wire Replacement (PTC and T/S Corona) . . .
20. Transport Belt Replacement
21. Registration Sensor Replacement
22. Pick-off Pawl Unit Removal . . . . . . . . . . . . . . . . . . . .
CLEANING
23. Cleaning Blade and Brush Replacement
24. Pre-cleaning Corona Wire Replacement
25. Toner Collection Coil Replacement
26. Cleaning Blade Pressure Adjustment
27. Blade Cleaner and Bias Roller Blade Replacement
28. Pre-quenching Corona Wire Replacement
FUSING
29.
Fusing Unit Removal
Hot Roller Stripper Replacement
30.
Cleaning Blade, Metering Blade,
31.
and Oil Supply Pad Replacement
32.
Hot Roller Replacement
33.
Pressure Roller Replacement
34.
Thermistor and Thermofuse Replacement
Fusing Pressure Adjustment
35.
Hot Roller Temperature Adjustment
36.
INVERTER
37. Inverter Roller Clutch Disassembly
and Adjustment
38. Inverter Gate Solenoid Adjustment
39. Inverter Gate Adjustment
3-30
3-31
3-32
3-33
3-34
3-35
3-36
3-37
3-38
3-39
3-40
3-41
3-42
3-43
3-44
3-45
3-47
3-49
3-50
3-51
3-53
3-54
3-56
3-57
PAPER FEED
40. Paper Feed Unit Removal
41. Pick-up Roller Replacement
42. Feed Roller Replacement
43. Friction Roller Replacement
44. Paper Tray Unit and Cover Removal
45. Paper Tray Drive Wire Replacement . . . . . . . . . . . . .
46. Vertical Transport Unit Removal
DUPLEX TRAY
47.
Duplex Tray Removal
Paper Feed Roller Replacement and Adjustment . . 3-68
48.
49.
Pick-up Roller Replacement
Friction Roller Replacement . . . . . . . . . . . . . . . . . . . 3-70
50.
Bottom Plate Pressure Clutch Disassembly
51.
Duplex Paper Sensor Adjustment . . . . . . . . . . . . . . . . 3-72
52.
Duplex Side Plate Drive Wire Replacement
53.
3-58
3-59
3-60
3-61
3-62
3-63
3-66
3-67
3-69
3-71
3-73
COPY IMAGE
54. Horizontal Magnification Adjustment
55. Side-to-Side Registration Adjustment
56. Uneven Exposure Adjustment
57. Light Intensity Adjustment
58. Auto Density Sensor Adjustment
3-74
3-75
3-76
3-77
3-78
CORONA CURRENT ADJUSTMENT
59. Corona Current Adjustment Preparation
60. Charge Corona
61. Pre-transfer Corona . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-82
62. Transfer Corona
63. Separation Corona
64. Pre-cleaning Corona
65. Pre-quenching Corona
SERVICE PROGRAM MODE
1. Factory Settings
2. Service Program Functions
IV. ELECTRICAL DATA
Main Board Schematic
1.
2.
DC Drive Board Schematic . . . . . . . . . . . . . . . . . . . . . . 4-2
Scanner Motor Control Board Schematic . . . . . . . . . . 4-2
3.
4.
Main Motor Control Board Schematic . . . . . . . . . . . . . 4-3
Lens/Mirror Motor Control Board Schematic . . . . . . 4-4
5.
6.
Timer Board Schematic
7.
Power Supply Unit Block Diagram
Operation Panel - CPU Board Schematic . . . . . . . . . . 4-7
8.
Operation Panel - CPU Board Schematic
9.
10.
AC Drive Board Schematic
11.
DF Main Board Schematic
Sorter Main Board Schematic
12.
3-79
3-81
3-83
3-84
3-85
3-86
3-87
3-88
4-1
4-5
4-6
4-8
4-8
4-10
V. DOCUMENT FEEDER
SERVICE TABLES
1. Test Point Table
2. Variable Resister Table . . . . . . . . . . . . . . . . . . . . . . . 5-1
3. LED Table
4. DIP Switch Table
5. Blown Fuse Table
6. Switch Failure Table
7. Sensor Failure Table
5-1
5-1
5-2
5-3
5-3
5-4
REPLACEMENT AND ADJUSTMENT
1.
Separation Roller Replacement
2.
Friction Tab Replacement
Pick-up Roller Replacement
3.
4.
Transport Unit Cover Removal
5.
Feed Belt Removal
6.
Inverter Entrance and inverter Registration
Sensor Replacement
7.
Turn Roller Replacement
8.
Exit Roller/Pull-out Roller Replacement
Inverter Roller Replacement
9.
10.
DF Removal
11.
12.
VI. SORTER
Original Skew Adjustment
Original
Leading Edge Adjustment
5-5
5-6
5-7
5-10
5-11
5-12
5-13
5-14
5-15
5-17
5-18
5-19
UNPACKING
INSTALLATION
1. Accessory Check
2. Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . 6-3
SERVICE TABLES
1. Sorter Main Board
2. Sorter Interface Board
REPLACEMENT AND ADJUSTMENT
1. Distribution Unit Removal . . . . . . . . . . . . . . . . . . . . . 6-8
2. Transport Unit Removal
3. Transport Belt Replacement . . . . . . . . . . . . . . . . . . . . 6-11
4. Jam Sensor and Bin Copy Sensor Adjustment . . . . . 6-14
5. 50Hz/60Hz Modification
VII. LARGE CAPACITY TRAY
UNPACKING
INSTALLATION
1. Accessary Check
2. Installation Procedure . . . . . . . . . . . . . . . . . . . . . . . . 7-3
REPLACEMENT AND ADJUSTMENT
1. Paper Feed Unit Removal
2. Pick-up Roller Replacement
3. Feed Roller Replacement
4. Friction Roller Replacement
5. Paper Tray Unit Removal
6. Paper Tray Drive Wire Replacement
6-1
6-2
6-6
. . . . . . . . . . . . . . . . . . . . . . . . 6-7
. . . . . . . . . . . . . . . . . . . . . . . . 6-10
. . . . . . . . . . . . . . . . . . . . . . . . 6-15
7-1
7-2
7-7
7-8
7-9
7-10
7-11
7-12
INTRODUCTION
COPY QUALITY
White Spots
Hat Image
Blank Area
Wrinkled Copy
Unfused Copy
Horizontal White Lines (Bands)
Jitter
Hollowing Out
Fuzzy Copy
Vertical White Lines (Bands)
Uneven Density
Vertical Black Lines (Bands)
Black Spots
Dirty Background
Black Image
Blank Copy
Light Copy
PAPER JAM/MISFEED
Pick-off Jam
False Paper Jam
Duplex Tray Jam
Paper Feed Jam
Registration Jam
Exit Jam
Transport Unit Jam
Fusing Jam
8-1
8-2
8-3
8-4
8-5
8-6
8-6
8-7
8-8
8-8
8-9
8-11
8-14
8-18
8-19
8-22
8-22
8-24
8-26
8-27
8-27
8-29
8-30
8-30
8-30
8-31
FUNCTIONAL PROBLEM
Not Ready
Abnormal Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-32
Please Wait Condition
DF
Original Jam
No Display
Abnormal Indication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-36
SORTER
Not Ready
False Jam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-37
Jam in Sorter 8-38
Others
8-32
8-34
8-35
8-35
8-37
8-38
SERVICE CALL
SC - l
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- l0
- 11
- 12
- 13
- 14
- 15
- 17
- 18
- 19
- 21
- 22
- 23
- 24
- 25
DEFECTIVE SENSOR TABLE
Table 8-60
CONDITIONS
Exposure
Drum Thermistor
Drum Heater
Drum Overheat
Fusing Thermistor
Fusing Lamp
Fusing Overheat
Temperature Fuse . . . . .
Optics Encode
Home Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-48
Scanner Velocity
Scanner Return
Total Counter
High Voltage Leak
Lens Drive Lock
Cleaner Motor - Charge Wire
Cleaner Motor - PTC Wire . . . . . . . . . . . . . . . 8-54
Cleaner Motor
Paper Feed Unit
Option Tray Paper Feed Unit
Upper Tray
Lower Tray
Option Tray
. . . . . . . . . . . . . . . . . . . . . . . . 8-41
. . . . . . . . . . . . . . . . . . . . . . 8-44
. . . . . . . . . . . . . . . . . . . . . . . . 8-45
. . . . . . . . . . . . . . . . . . . 8-46
. . . . . . . . . . . . . . . . . . . . . . . . 8-50
. . . . . . . . . . . . . . . . . . . . . . 8-51
. . . . . . . . . . . . . . . . . . . . . 8-52
- T/S Wire
. . . . . . . . . . . . . . . . . . . . . . . . 8-56
. . . . . . . . . . . . . . . 8-55
8-39
8-42
8-43
8-44
8-47
8-49
8-50
8-53
8-56
8-57
8-58
8-59
SECTION 1
INSTALLATION
CONTENTS
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.
2.
Minimum Space Requirements
Machine Level
3.
4.
Power Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unpacking and Installation
5.
Key Counter Holder Installation
6.
7.
A3 / 11” x 17” Counter Installation
8.
Modifying Main Transformer Voltage (220V to 240V) . .
Preparation for Transporting the Copier
9.
12 July ’86
1-1
1-2
1-3
1-3
1-4
1-15
1-16
1-17
1-18
1. Environment
12 July ’86
1. Temperature Range
10°C to 30°C (50°F to 86°F)
2. Humidity Range 15% to 90% RH
3. Ambient Illumination Less than 1,500 lux (Do not expose to direct sunlight.)
4. Ventilation Room air should turn over at least 3 times/hour.
5. Ambient Dust Less than 0.15 mg/m
3
6. Room Size More than 10 m
(13.4 yd3)
3
(4 x 10
-3
Oz/yd3)
7. If the place of installation is air-conditioned or heated, place the
machine:
a) where it will not be subjected to sudden temperature changes from
low to high, or vice versa.
b) where it will not be directly exposed to cool air from an air con-
ditioner.
c) where it will not be directly exposed to reflected heat from a
heater.
8. Avoid placing the copier in an area filled with corrosive gas.
9. Avoid any area higher than 2,000 m (6,500 feet) above sea level.
10. Place the copier on a strong and level base,
NOTE: This copier weighs 290 kg (638 lb). Before installing, make sure
that the floor is strong enough for this machine.
This is especially required when there is other heavy equipment located
nearby.
11. Avoid any area where the copier may be subjected to strong vibration.
1-1
12 July ’86
2. Minimum Space Requirements
1-2
3. Machine Level
12 July ’86
1.2.Front to Back:
Right to Left:
Place the four leveling shoes [A] under the leveling feet [B] and screw
the leveling feet up or down to level the machine.
4. Power Source
Input Voltage Level
1.
115V/60 Hz - 20A
220V/50 Hz - 10A
240V/50 Hz - 10A
Permissible Voltage Fluctuation : ± 10%
2.
3.
Permissible Extension Cord: None recommended
NOTE: - Be sure to ground the machine.
wire to a gas pipe.)
- Make sure the plug is firmly inserted in the outlet.
- Should be dedicated outlet.
- Do not set anything on the power cord.
Within 5 mm (0.2”) of level
Within 5 mm (0.2”) of level
(Do not connect the grounding
1-3
12 July ’86
5.
Unpacking and Installation
- Unpacking -
1.
Cut the bands [A] binding the carton and remove the top carton [B].
2.
Take out the accessories [C].
Remove the cushion blocks [D].
3.
4.
Open the vinyl bag.
5.
Take out the machine.
1-4
- Accessory Check -
12 July ’86
Check the quantity
the New Equipment
DESCRIPTION
1)
Copy Tray
2)
Original Tray
3)
Screw M4 X 8 mm
4)
Leveling Shoe
5)
Cushion Block
6)
Operating Instructions
7)
Installation Procedure
8)
N.E.C.R.
9)
Envelope for N.E.C.R.
10)
Multiple Language Decals (Europe)
and condition of the accessories in the box according to
Condition Report (NECR) or the following list:
(U. S. A.)
Q’TY
1
1
2
4
2
1
1
1
1
1
1-5
12 July ’86
- Installation Procedure -
1. Remove all external strips of tape [A] and the two sponge door cushions
[B].
2. Remove the lower right cover [C] (3 screws) and the two studs [D] securing the paper trays. Reinstall the lower right cover.
3. Open the left door, and remove the two strips of tape [E] securing the
vertical transport guide plate.
4. Open the right
sponge cushions
door.
[F].
Pull out the paper trays and remove the three
1-6
12 July ’86
5. Open the top unit, then remove the fusing knob [A] (1 screw: reverse
thread), cover [B] (3 screws), and the oil bottle [C]. Remove the clamp
[D] (2 screws) which secures the fusing unit and the duplex tray.
6. Turn the duplex tray handle [E] to the horizontal position, pull out the
duplex tray, and remove the two strips of tape [F] securing
the duplex
unit covers. Open the duplex unit covers and carefully remove the strip
of tape securing the bottom plate. Then reset the duplex unit.
7. Unscrew the oil bottle cap [G], and fill the oil bottle with silicone oil.
Do not overfill the bottle. Reinstall the cap. Confirm that oil is supplied
to the oil sump [H] by pressing the oil supply lever [I] against the sleeve
of the oil pump several times.
8. Rotate the pressure cam shaft [J] counterclockwise until it locks (about
90°) to apply the pressure between the hot roller and the pressure
roller.
1-7
12 July ’86
9.
Reinstall the fusing unit cover [A] and the fusing knob. Confirm that the
tab [B] on the inside of the cover lifts up the oil sump stopper. If it
does not, oil will overflow from the sump. Close the top unit.
10.
Remove the two optics studs [C] as follows:
Raise the DF transport unit [D].
a)
b)
Remove the front cover [E] of the original feed unit (2 screws).
c)
Remove the front top cover [F] (3 screws).
d)
Loosen the two screws of the rear scale [G], and remove the glass
fixing plate [H] (1 screw).
e)
Remove the exposure glass [I].
f)
Remove the two optics studs securing the lens housing and the first
scanner.
Reassemble.
g)
Install the original tray [J] (2 screws: M4 x 8 mm).
11.
1-8
12 July ’86
1-9
12.
Open the top unit [A], and remove the drum cover [B] (2 screws).
13.
Remove the drum stay [C] by turning the knob counterclockwise.
Disconnect the charge corona wire cleaner connector [D] and remove the
14.
charge corona unit [E].
Pull out the erase unit [F] and the drum thermistor [G].
15.
Disconnect the pre-quenching corona wire cleaner connector [H], and
16.
remove the quenching lamp unit [I].
17.
Remove the cleaning unit [J].
12 July ’86
I
CAUTION: Do not leave the top unit open, exposing an uncovered drum, for long
periods.
18.
Remove the drum protective sleeve [A] from the drum. Save the drum
protective sleeve for future use.
19.
Pressing the drum shaft [B] to the left to prevent drum damage, reinstall
the cleaning unit [C]. The cleaning unit must be inserted until the
cleaning unit drive gear [D] engages with the drum flange gear [E].
Reinstall the erase unit, the drum thermistor, the quenching lamp unit,
20.
and pre-quenching corona unit.
Reconnect the pre-quenching corona
wire cleaner connector.
21.
Reinstall the charge corona unit and reconnect the charge corona wire
cleaner connector.
22.
Reinstall the drum stay and the drum cover.
1-10
12 July ’86
23. Prepare the development unit as follows:
Remove the development unit cover [A] (1 screw).
a)
b)
Remove the development unit [B] by removing the development unit
mounting screw [C] and place the unit on a sheet of paper.
Remove the developer inlet cover [D].
c)
d)
Pour two kilograms of developer into the development unit. While
pouring in the developer, turn the paddle roller knob [E] clockwise to
evenly distribute the developer.
Reinstall the developer inlet cover and the development unit.
e)
NOTE: Confirm that the development unit is seated on the guide rails
properly. Also, confirm that the development unit is set cor-
rectly.
If not, pull the unit out slightly, turn the paddle roller
knob, and push the unit back in.
1-11
12 July ’86
CAUTION:
Always lower the top unit [A] before tightening the development unit
mounting screw [B]. The slot [C] on the top unit fits over the positioning pin [D] on the development unit to correctly position the development unit.
f) Close the top unit, and secure the development unit (1 screw).
g) Open the top unit again and reinstall the development unit cover.
24, Load a toner cartridge [E] as follows:
a)
Hold a new toner cartridge level and shake it well.
b)
Turn down the toner cartridge lever [F].
c)
Insert a new toner cartridge and raise the toner cartridge lever.
(Only load one toner cartridge.)
d)
Cut the green tape and push down the latch on the shutter plate.
Then, pull the shutter plate all the way out.
e)
Hold the green tab and pull the toner seal out as far as it will go.
Push the shutter plate back in completely.
f)
Close the top unit.
g)
1-12
12 July ’86
25.
Remove the lower
connector [A] on the
26.
Close the front doors and plug in the power cord. Turn on the main
left cover (2 screws), and move the jumper
timer board from JPS-102 to JPS-101.
switch [B].
While waiting for the fusing unit to warm up (about
27.
7 minutes), install
the copy tray [C].
28.
Load paper in the upper and lower paper trays.
29.
Perform drum conditioning for 15 minutes as follows:
a) Place a white sheet of A3 or 11” x 17” paper on the exposure glass
and lower the ADF transport unit.
b) Use SP 1-3 (Free Run) for
30.
Insert the sponge cushions
drum conditioning.
under the base plate of the copier at the
[D]
front and rear.
1-13
12 July ’86
31. Set up the following items according to the customer’s requirements.
Refer to Section 3 for Service Program Mode.
SP No.
1-4
2-2
3-3
3-4
4-1
6-1
Item
Beeper Off
ID Reset Level
20 min. Fusing Timer
Copy Counter
ID Control Mode
Full Automatic DF
Feed Mode
8-2
Auto. Paper Selection. 26
10-3/4 Toner Supply Amount 28
20
32.
Set the weekly timer,
33.
Check copier and DF operation.
34.
Check copy quality. Adjust as necessary.
35.
Complete the N.E.C.R.
Automatic Reset Time
according to the customer’s request.
SP No.
21
22
23
24
25
Item
Max Copy Quantity
Magnification Ratio
Priority
Optional Magnification
Ratio
Auto. Shut-off Timer
Standard Timer Setting
EM Call Telephone No.
User Code
1-14
6. Key Counter Holder Installation
12 July ’86
Remove the upper front cover (2 screws).
1.
Remove the cover plate [A] and fixing plate [B] from the main switch
2.
bracket (2 screws).
Hold the fixing plate on the inside of the key counter holder and insert
3.
the key counter holder [C].
4.
Align the screw holes in the fixing plate with the mounting holes of the
key counter holder and secure the key counter holder.
NOTE: This copier can use three types of counters. Make sure to use the
correct screw holes in the fixing plate.
5.
Remove the shorting connector [D] from the key counter connector.
Connect the key counter holder.
6.
7.
Reassemble the copier and check key counter operation.
1-15
12 July ’86
7. A3 / 11” x 17” Counter Installation
1.
Open the left door.
2.
Remove the development unit cover [A] (1 screw) and the jam indicator
cover [B] (3 screws).
3.
Remove the jam indicator bracket [C] (2 screws).
Disconnect the dummy connector from the A3 / 11” x 17” counter connec-
4.
tor [D].
Set the A3 / 11” x 17” counter [E] through the jam indicator bracket as
5.
shown.
Connect the A3 / 11” x 17” counter connector.
6.
Reassemble.
7.
Set SP 4-4 (A3 / 11” x 17” counter).
8.
9.
Check the counter operation by making an A3 / 11” x 17” copy.
1-16
8. Modifying Main Transformer Voltage (220V to 240V)
12 July ’86
1. Remove the lower right cover (2 screws).
2. Disconnect the input line [A] from the 220 V connector [B].
3. Disconnect the dummy connector [C] from the 240 V connector [D].
4. Connect the input line to the 240 V connector.
5. Connect the dummy connector to the 220 V connector.
6. Reassemble.
1-17
12 July ’86
1-18
9. Preparation for Transporting the Copier
CAUTION: Before transporting the copier, be sure to prepare it as follows. The copier
may be badly damaged if it is moved without proper preparation.
1. Select the 100% magnification ratio.
2. Remove the paper from the upper and lower paper trays.
3. Turn off the main switch and unplug the copier.
4. Remove the oil bottle [A] and empty it.
5. Secure the fusing unit and duplex tray with the clamp [B] as shown (2
screws) and reassemble.
6. Remove the exposure glass.
7. Fix the lens housing and the first scanner guide bracket with studs [C]
as shown.
8. Reassemble the machine.
12 July ’86
1-19
9.
Remove the lower right cover and fix the paper trays with studs [A].
Reinstall the lower right cover.
10.
Fix the DF,
11.
Remove the
12.
Remove the
13.
Remove the
left front door, and right front door with strips of tape.
copy tray or sorter.
original tray (2 screws).
option tray, if installed.
SECTION 2
SERVICE TABLES
CONTENTS
SPECIAL TOOLS AND LUBRICANTS
. . . . . . . . . . . . . . . . . . . . . . . .
12 July ’86
PM TABLE
SERVICE TABLES
1. Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2. Variable Resisters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
3. Dip Switches
SERVICE REMARKS
2-1
2-5
2-6
2-7
2-12
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