Minolta DI350 User Manual
FrameMaker Ver.5.5E(PC) COVER [FIELD SERVICE] FOR Di350
98.12.09
Di350 SERVICE MANUAL
[
FIELD SERV ICE
FrameMaker Ver.5.5E(PC) COVER [FIELD SERVICE] FOR Di350
98.12.09
Di350
SERVICE MANUAL
Copyright
1999 MINOLTA Co., Ltd.
Printed in Japan
Use of this manual should
be strictly supervised to
avoid disclosure of
confidential information.
]
FIELD SERVICE
[
]
MINOLTA Co., Ltd.
1171-7991-11 99022300
FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03
99.01.27
Safety Precautions for Inspection and Service
When performing inspection and service procedures, observe the following precautions to
prevent accidents and ensure utmost safety.
✽
Depending on the model, some of the precautions given in the following do not apply.
Different markings are used to denote specific meanings as detailed below.
Indicates a potentially hazardous situation which, if not avoided,
WARNING
CAUTION
The following graphic symbols are used to give instructions that need to be observed.
Used to call the service technician’s attention to what is graphically represented
inside the marking (including a warning).
Used to prohibit the service technician’s from doing what is graphically represented inside the marking.
could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury. It may also be used to
alert against unsafe practices.
Used to instruct the service technician’s to do what is graphically represented
inside the marking.
WARNING
1. Always observe precautions.
•
Parts requiring special attention in this product will include a label containing the
mark shown on the left plus precautionary notes. Be sure to observe the precautions.
•
Be sure to observe the “Safety Infor mation” given in the Operator’s Manual.
2. Before starting the procedures, be sure to unplug the power cord.
•
This product contains a high-voltage unit and a circuit with a large current
capacity that may cause an electric shock or burn.
•
The product also contains parts that can jerk suddenly and cause injury.
•
If this product uses a laser, laser beam leakage may cause eye damage or
blindness.
3. Use the specified parts.
•
For replacement parts, always use the genuine parts specified in the manufacturer’s parts manual. Installing a wrong or unauthor ized part could cause
dielectric breakdown, overload, or undermine safety devices resulting in possible electric shock or fire.
•
Replace a blown electrical fuse or thermal fuse with its corresponding genuine
part specified in the manufacturer’s parts manual. Installing a fuse of a different
make or rating could lead to a possible fire. If a thermal fuse blows frequently,
the temperature control system may have a problem and action must be taken
to eliminate the cause of the problem.
P-1
FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03
99.01.27
4. Handle the power cord with care and never use a multiple outlet.
•
Do not break, crush or otherwise damage the power cord. Placing a heavy
object on the power cord, or pulling or bending it may damage it, resulting in a
possible fire or electric shock.
•
Do not use a multiple outlet to which any other appliance or machine is connected.
•
Be sure the power outlet meets or exceeds the specified capacity.
5. Be careful with the high-voltage parts.
•
A part marked with the symbol shown on the left carries a high voltage. Touching it could result in an electric shock or burn. Be sure to unplug the power cord
before servicing this part or the parts near it.
6. Do not work with wet hands.
•
Do not unplug or plug in the power cord, or perform any kind of service or
inspection with wet hands. Doing so could result in an electric shock.
7. Do not touch a high-temperature part.
•
A part marked with the symbol shown on the left and other parts such as the
exposure lamp and fusing roller can be very hot while the machine is energized.
Touching them may result in a burn.
•
Wait until these parts have cooled down before replacing them or any surrounding parts.
8. Maintain a grounded connection at all times. (This item may not apply in the USA.)
•
Be sure to connect the ground wire to the ground terminal even when performing an inspection or repair. Without proper grounding, electrical leakage could
result in an electric shock or fire.
•
Never connect the ground wire to a gas pipe, water pipe, telephone ground wire,
or a lightning conductor.
9. Do not remodel the product.
•
Modifying this product in a manner not authorized by the manufacturer may
result in a fire or electric shock. If this product uses a laser, laser beam leakage
may cause eye damage or blindness.
10. Restore all parts and harnesses to their original positions.
•
To promote safety and prevent product damage, make sure the harnesses are
returned to their original positions and properly secured in their clamps and saddles in order to avoid hot parts, high-voltage parts, sharp edges, or being
crushed.
•
To promote safety, make sure that all tubing and other insulating materials are
returned to their original positions. Make sure that floating components mounted
on the circuit boards are at their correct distance and position off the boards.
P-2
FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03
99.01.27
CAUTION
1. Precautions for Service Jobs
•
A toothed washer and spring washer, if used originally, must be reinstalled.
Omitting them may result in contact failure which could cause an electric shock
or fire.
•
When reassembling parts, make sure that the correct screws (size, type) are
used in the correct places. Using the wrong screw could lead to stripped
threads, poorly secured parts, poor insulating or grounding, and result in a malfunction, electric shock or injury.
•
Take great care to avoid personal injury from possible burrs and sharp edges on
the parts, frames and chassis of the product.
•
When moving the product or removing an option, use care not to injure your
back or allow your hands to be caught in mechanisms.
2. Precautions for Servicing with Covers and Parts Removed
•
Wherever feasible, keep all parts and covers mounted when energizing the
product.
•
If energizing the product with a cover removed is absolutely unavoidable, do not
touch any exposed live parts and use care not to allow your clothing to be
caught in the moving parts. Never leave a product in this condition unattended.
•
Never place disassembled parts or a container of liquid on the product. Parts
falling into, or the liquid spilling inside, the mechanism could result in an electric
shock or fire.
•
Never use a flammable spray near the product. This could result in a fire.
•
Make sure the power cord is unplugged before removing or installing circuit
boards or plugging in or unplugging connectors.
•
Always use the interlock switch actuating jig to actuate an interlock switch when
a cover is opened or removed. The use of folded paper or some other object
may damage the interlock switch mechanism, possibly resulting in an electric
shock, injury or blindness.
3. Precautions for the Working Environment
•
The product must be placed on a flat, level surface that is stable and secure.
•
Never place this product or its parts on an unsteady or tilting workbench when
servicing.
•
Provide good ventilation at regular intervals if a service job must be done in a
confined space for a long period of time.
•
Avoid dusty locations and places exposed to oil or steam.
•
Avoid working positions that may block the ventilation ports of the product.
4. Precautions for Handling Batteries
•
Replace a rundown battery with the same type as specified in the manufacturer’s parts manual.
•
Before installing a new battery, make sure of the correct polarity of the installation or the battery could burst.
•
Dispose of used batteries according to the local regulations. Nev er dispose of
them at the user’s premises or attempt to try to discharge one.
P-3
FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03
99.01.27
5. Precautions for the Laser Beam (Only for Products Employing a Laser)
•
Removing the cover marked with the follo wing caution label could lead to possible exposure to the laser beam, resulting in eye damage or blindness. Be sure
to unplug the power cord before removing this cover.
•
If removing this cover while the power is ON is una voidable, be sure to wear protective laser goggles that meet specifications.
•
Make sure that no one enters the room when the machine is in this condition.
•
When handling the laser unit, observe the “Precautions for Handling Laser
Equipment.”
.
DANGER
Invisible laser radiation when open.
AVOID DIRECT EXPOSURE
TO BEAM
0947-7127-01
1144D270AA
1167P001AA
P-4
FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03
99.01.27
Other Precautions
•
To reassemble the product, reverse the order of disassembly unless otherwise specified.
•
While the product is energized, do not unplug or plug connectors into the circuit boards
or harnesses.
•
The magnet roller generates a strong magnetic field. Do not bring it near a watch, floppy
disk, magnetic card, or CRT tube.
•
An air gun and vacuum cleaner generates a strong electrostatic charge that can destroy
the ATDC sensor and other sensors. Before cleaning a component with one of these
devices, be sure to remove all the sensors. Otherwise, use a blower brush and cloth
when cleaning parts.
•
When handling circuit boards with MOS ICs, observe the “INSTRUCTIONS FOR HANDLING THE PWBs WITH MOS ICs” (applicable only to the products using MOS ICs).
•
The PC Drum is a very delicate component. Observe the precautions given in “HANDLING OF THE PC DRUM” because mishandling may result in serious image problems.
•
Note that replacement of a circuit board may call for readjustments or resetting of particular items, or software installation.
•
After completing a service job, perfor m a safety check. Make sure that all parts, wiring
and screws are returned to their original positions.
•
Check the area surrounding the service site for any signs of damage, wear or need of
repair.
•
Do not pull out the toner hopper while the toner bottle is turning. This could result in a
damaged hopper motor or locking mechanism.
•
If the product is to be run with the front door open, make sure that the toner hopper is in
the locked position.
P-5
FrameMaker Ver.5.5E(PC) PL Standard Document Ver.03
99.01.27
Used Batteries Precautions
ALL Areas
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the manufacturer.
Dispose of used batteries according to the manufacturer’s instructions.
Germany
Explosionsgefahr bei unsachgemäßem Austausch der Batterie.
Ersatz nur durch denselben oder einen vom Hersteller empfohlenen ähnlichen Typ.
Entsorgung gebrauchter Batterien nach Angaben des Herstellers.
France
Ily a danger d’explosion s’ily a remplacement incorrec de la batterie.
Remplacer uniquement avec une batterie du meme type ou d’un type équivalent recommande par le constructueur.
Mettre au rebut les batteries usageés conformément aux instructions du fabricant.
Denmark
Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering Udskiftning må kun ske med batteri af samme fabrikat og type.
Levér det brugte batteri tilbage til leverandøren.
Norway
Eksplosjonsfare ved feilaktig skifte av batteri.
Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten.
Brukte batterier kasseres i henhold til fabrikantens instruksjoner.
CAUTION
VORSICHT!
ATTENTION
ADVARSEL!
ADVARSEL
Sweden
Explosionsfara vid felaktigt batteribyte.
Använd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.
Kassera använt batteri enligt fabrikantens instruktion.
Finland
Paristo voi räjähtää, los se on virheellisesti asennettu.
Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hävitä Käytetty paristo
valmistajan ohjeiden mukaisesti.
VARNING
VAROlTUS
P-6
FrameMaker Ver.5.5(PC) Di350/Di350f
98.12.09
INDEX (FIELD SERVICE)
DIS/REASSEMBLY,
ADJUSTMENT
SWITCHES ON PWBs,
TECH. REP. SETTINGS
TROUBLESHOOTING
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
Di350
DIS/REASSEMBLY,
ADJUSTMENT
18605
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
CONTENTS
1. SERVICE INSTRUCTIONS .............................................................................D-1
1-1. IDENTIFICATION OF FUSES AND CIRCUIT BREAKER S ....................D-1
1-2. PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT ...............D-1
1-3. INSTRUCTIONS FOR HANDLING THE PWBs WITH MOS ICs ............. D-2
1-4. HANDLING OF THE IMAGING CARTRIDGE ............................ .............D-2
1-5. PARTS WHICH MUST NOT BE TOUCHED ...........................................D-3
(1) Red painted Screws ........................................................................D-3
(2) Variable Resistors on Board ............................................................D-3
(3) Other Screws ...................................................................................D-3
2. DISASSEMBLY/REASSEMBLY ...................................................................... D-4
2-1. DOORS, COVERS, AND EXTERIOR PARTS: IDENTIFICATION AND
REMOVAL PROCEDURES .....................................................................D-4
2-2. REMOVAL OF CIRCUIT BOARDS AND OTHER ELECTRICAL
COMPOMENTS .......................................................................................D-7
2-3. PAPER TAKE-UP/TRANSPORT SECTION ............................................D-10
(1) Replacement of the Paper Take-Up Roll ......................................... D-10
(2) Replacement of the Paper Dust Remover .......................................D-10
(3) Cleaning of the Paper Dust Remover ..............................................D-11
(4) Cleaning of the Side Cover ..............................................................D-11
(5) Cleaning of the Duplex Unit Cover ..................................................D-11
2-4. OPTICAL SECTION ............................. ...................................................D-12
(1) Removal of the IR Unit ....................................................................D-12
(2) Removal of the PH Unit ...................................................................D-13
(3) Removal of the CCD Unit ................................................................D-15
(4) Cleaning of the Scanner Rails/Bushings ...................................... ...D-15
(5) Cleaning of the Mirrors ....................................................................D-16
(6) Cleaning of the Lens ........................................................................D-16
(7) Cleaning of the Original Glass .......................................... ...............D-16
(8) Removal of the Scanner ..................................................................D-16
(9) Removal of the Scanner Drive Cables ............................................D-18
(10) Winding of the Scanner Drive Cables ..............................................D-19
2-5. IMAGE TRANSFER SECTION ................................................................D-23
(1) Removal of the Image Transfer Roller .............................................D-23
(2) Cleaning of the Comb Electrode ......................................................D-23
(3) Cleaning of the Pre-Image Transfer Guide Plate ........................... .D-24
(4) Replacement of the Ozone Filter .....................................................D-24
2-6. DEVELOPING SECTION ............................. ...........................................D-25
(1) Removal of the Imaging Cartridge ...................................................D-25
2-7. FUSING SECTION ..................................................................................D-26
(1) Removal of the Fusing Unit ............................................................. D-26
(2) Removal of the Fusing Roller Heater Lamp, Fusing Right Roller,
Fusing Left Roller, Fusing Roller Thermistor, Fusing Roller
Thermostat, and Fusing Roller Heater Lamp Fuse .................. .......D-26
3. ADJUSTMENT .................................................................................................D-29
3-1. ADJUSTMENT JIGS AND TOOLS USED ...............................................D-29
3-2. ADJUSTMENT REQUIREMENT LIST ....................................................D-29
i
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
3-3. ADJUSTMENT OF BELT TENSION ........................................................D-30
3-4. TEST PRINT .................... ................................................................. .......D-31
3-5. ELECTRICAL/IMAGE ADJUST MENT .......................................... ...........D-32
(1) Touch Panel Adj. .............................. ...............................................D-32
(2) Original Size Detecting Sensor Adjustment (F7-1) ..........................D-33
(3) Loop Adjustment ................................................................. .............D-34
(4) Edge Erase ......................................................................................D-35
(5) Registration (CD) (Printer) ...............................................................D-38
(6) Registration (FD) (Printer) ........ ......................... ......................... .....D-40
(7) Registration (IR) ............ ....................... ...........................................D-42
(8) Zoom Adjust (IR) .............................................................................D-46
(9) IR-Erasure Width .............................................................................D-50
3-6. OTHER ADJUSTMENTS .........................................................................D-51
4. MISCELLANEOUS ..........................................................................................D-53
4-1. INSTALLATION OF THE KEY COUNTER SOCKET (OPTION) ............. D-53
4-2. REMOUNTING THE EEPROM (IC3A) ......... ...........................................D-54
ii
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
1 SERVICE INSTRUCTIONS
1-1. IDENTIFICATION OF FUSES AND CIRCUIT BREAKERS
125V 3.15A
125V 5A
Master Board
PWB-A125V 3A (F1)
125V 3A (F2)
250V 1A (F3)
250V 1A (F4)
Power Supply Unit 1
PU1 125V 10A (F1)
125V 15A (F2)
250V 3.15A (F3)
250V 3.15A (F4)
Power Supply Unit 2
PU2 125V 5A
Fusing Roller
Heater Lamp Fuse
TF1 125V 15A
Fusing Roller
Thermostat
TS1 250V 10A
1171D016AC
1-2. PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT
•
The laser used in this copier is a semiconductor laser having the following specifications.
Max. power: 5mW
Output wavelength: 770~810nm
•
When laser protective goggles are to be used, select ones with a lens conforming to the
above specifications.
•
When a disassembly job needs to be performed in the laser beam path, such as when
working around the printerhead and PC Drum, be sure first to turn the copier OFF.
•
If the job requires that the copier be left ON, take off your watch and ring and wear laser
protective goggles.
•
A highly reflective tool can be dangerous if it is brought into the laser beam path. Use
utmost care when handling tools on the user’s premises.
•
The printerhead is not maintainable in the field. It is to be replaced as an assembly
including the control board. Never, therefore, attempt to remove the laser diode or adjust
trimmers on the control board.
D-1
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
1-3. INSTRUCTIONS FOR HANDLING THE PWBs WITH MOS ICs
The following precautions must be observed when handling P.W. Boards with MOS
(Metal Oxide Semiconductor) ICs.
During Transportation/Storage:
•
During transportation or when in storage, new P.W. Boards must not be indiscriminately
removed from their protective conductive bags.
•
Do not store or place P.W. Boards in a location exposed to direct sunlight.
•
When it becomes absolutely necessary to remove a Board from its conductive bag or
case, always place it on its conductive mat in an area as free as possible from static electricity.
•
Do not touch the pins of the ICs with your bare hands.
During Replacement:
•
Before unplugging connectors from the P.W. Boards, make sure that the power cord has
been unplugged from the outlet.
•
When removing a Board from its conductive bag or conductive case, do not touch the
pins of the ICs or the printed pattern. Place it in position by holding only the edges of the
Board.
•
Before plugging connectors into the Board, make sure that the power cord has been
unplugged from the power outlet.
During Inspection:
•
Avoid checking the IC directly with a multimeter; use connectors on the Board.
•
Never create a closed circuit across IC pins with a metal tool.
•
When it is absolutely necessary to touch the ICs and other electrical components on the
PW Board, be sure to ground your body.
1-4. HANDLING OF THE IMAGING CARTRIDGE
During Transportation/Storage:
•
Use the specified carton whenever moving or storing the Imaging Cartridge.
•
The storage temperature is in the range between –20°C and +40°C.
•
In summer, avoid leaving the Imaging Cartridge in a car for a long time.
Handling:
•
Ensure that the correct Imaging Cartridge is used.
•
Store the Imaging Cartridge in a site that is not exposed to direct sunlight.
Precautionary Information on the PC Drum Inside the Imaging Cartridge:
•
The PC Drum exhibits greatest light fatigue after being exposed to strong light over an
extended period of time. Never, therefore, expose it to direct sunlight.
•
Use care not to contaminate the surface of the PC Drum with oil-base solvent, fingerprints, and other foreign matter.
•
Do not scratch the surface of the PC Drum.
•
Do not apply chemicals to the surface of the PC Drum.
•
Do not attempt to wipe clean the surface of the PC Drum.
D-2
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
1-5. PARTS WHICH MUST NOT BE TOUCHED
(1) Red painted Screws
Purpose of Application of Red Paint
Red painted screws show that the assembly or unit secured can only be adjusted or set at
the factory and should not be readjusted, set, or removed in the field.
Note that when two or more screws are used on the part in questions, only one representative screw may be marked with red paint.
(2) Variable Resistors on Board
Do not turn the variable resistors on boards for which no adjusting instructions are given in
“ADJUSTMENT.”
(3) Other Screws
Although not marked with red paint, the following screws must not be loosened or readjusted.
8 screws on the PH Unit Cover
1167D002AB
D-3
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
2 DISASSEMBLY/REASSEMBLY
2-1. DOORS, COVERS, AND EXTERIOR PARTS: IDENTIFICATION
AND REMOVAL PROCEDURES
14
1
15
2
13
12
3
4
5
6
7
8
9
1171D017AA
10
11
16
17
18
34
33
32
31
30
29
D-4
28
27
26
19
20
21
22
23
2425
1171D018AB
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
No. Part Name Removal Procedure
1 ADF Glass Assy. Remove No. 2, 4. → Remove two holding brackets. →
2 Rear Holding
Bracket
3 Original Glass Remove No. 4. → Remove two holding brackets.
4 Front Holding
Bracket
5 Control Panel Remove No. 8. → Remove No. 6. → Remove No. 4. →
6 Front Upper Cover Remove No. 8. → Remove No. 12. → Remove six screws that
7 Exit Lower Cover Remove No. 32. → Remove No. 24. → Unhook the two tabs of
8 Front Cover Slide out No. 10. → Open No. 25. → Remove three screws
9 LED Cover Slide out No. 10. → Remove one screw that secure the LED
10 MP Cassette Slide out the MP Cassette. → Pushing the tab on the right rail,
11 500-Sheet
Cassette
12 Upper Front Left
Cover
13 Left Cover Remove six screws that secure the Left Cover.
14 Upper Cover Remove two screws that secure the Upper Cover.
15 Left IR Cover Remove two screws that secure the Left IR Cover.
16 Original Cover
17 Rear Right IR
Cover
18 Left Hinge Cover Remove one screw that secure the Left Hinge Cover.
19 Rear Left IR Cover Remove No. 17. → Remove two screws that secure the Rear
20 Rear Upper Cover Remove No. 21. → Remove No. 17. → Remove No. 19. →
21 Rear Lower Cover Remove No. 26. → Remove No. 25. → Open No. 30. → Open
22 Right Hinge Cover Remove one screw that secure the Right Hinge Cover.
23 Connector Cover Remove one screw that secure the Connector Cover.
24 Rear Inside Cover Remove No. 22. → Remove three screws that secure the Rear
Remove two screw caps. → Remove two screws that secure
the ADF Glass Assy.
Remove No. 17, 18. → Remove two screw caps. → Remove
two screws that secure the Rear Holding Bracket.
Remove two screw caps. → Remove two screws that secure
the Front Holding Bracket.
Remove No. 12. → Remove five screws that secure the control
panel and unplug one connector.
secure the Front Upper Cover.
the Exit Lower Cover and remove the Exit Lower Cover.
that secure the Front Cover.
Cover.
pull out the cassette.
Slide out the 500-Sheet Cassette. → Pushing the tabs on both
the right and left rails, pull out the cassette.
Remove No . 4. → Remove two screws that secure the Upper
Front Left Cover.
Remove No . 22. → Remove No. 19. → Remove two screws
that secure the Rear Right IR Cover.
Left IR Cover.
Remove four screws that secure Rear Upper Cover.
No. 32. → Remove five screws that secure the Rear Lower
Cover.
Inside Cover.
D-5
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
No. Part Name Removal Procedure
25 Toner Bottle Cover Open the Toner Bottle Cover. → Unhook the dowels at four
26 Harness Cover Remove one screw that secure the Harness Cover.
27 Duplex Unit Rear
Cover
28 500-Sheet Cas-
sette Side Cover
29 Manual Bypass
Tray
30 Side Cover
31 Duplex Unit Remove two screws that secure the Duplex Unit.
32 Fusing Unit See D-26.
33 Front Inside Cover Remove No. 8. → Remove No. 32. → Remove two screws that
34 Right IR Cover Remove three screws that secure the Right IR Cover.
places of the Toner Bottle Cover.
Remove No . 31. → Remove two screws that secure the
Duplex Unit Rear Cover.
Open the Side Cover . → Slide the Side Cover to the front and,
at the same time, pull the rear side out of the frame.
Remove No . 26. → Unplug one connector. → Remove three
screws that secure the Manual Bypass Tray.
secure the Front Inside Cover.
D-6
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
2-2. REMOVAL OF CIRCUIT BOARDS AND OTHER ELECTRICAL
COMPOMENTS
•
When removing a circuit board or other electrical component, refer to “PRECAUTIONS
FOR HANDLING THE PWBs” contained in SWITCHES ON PWBs and follow the corresponding removal procedures.
•
The removal procedures given in the following omit the removal of connectors and
screws securing the circuit board support or circuit board.
•
Where it is absolutely necessary to touch the ICs and other electrical components on the
board, be sure to ground your body.
BCR
UN2
UN3
PWB-A
PWB-I
INV
PWB-L
PWB-A
PWB-R
PU1
PU2
HGB
CCD
UN1
PWB-R
PWB-A
PWB-R
PWB-H
HV1
1171D020AE
PWB-N
D-7
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
Symbol P art Name Removal Procedure
PWB-A Master Board Remo ve the Upper Cover. → Remove nine screws
PWB-A Cassette Main Board Remove the Connector Cover. → PWB-A
PWB-A Duplex Main Board Remove the Duplex Unit. → Remove the Duplex Unit
PWB-H Double Feed Detecting
Board
PWB-I Paper Size Detecting
Board
PWB-L PPM Switching Board Remove the Harness Cover. → Remove the Rear
PWB-N RAM Board Remove the Upper Cover. → Remove nine screws
PWB-R Fuser Frame Register
Board
PWB-R Pre-Transfer Guide
Plate Register Board 1
PWB-R Pre-Transfer Guide
Plate Register Board 2
PU1 Power Supply Board 1 Remove the Ha rness Cover. → Remove the Rear
PU2 Power Supply Board 2 Remove the Ha rness Cover. → Remove the Rear
HV1 High Voltage Unit Open the Side Cover. → Remove the Imaging Car-
INV Inverter Board Remove the Original Glass. → INV
BCR BCR Board Remove the Rear Left IR Cover. → Remove three
HGB HGB Board Remove the Original Glass.
CCD CCD Board See D-15.
and the MFB Box Cover. → Remove two screws and
the MFB Box Assy. → PWB-A
Rear Cover. → PWB-A
Slide out the MP Cassette. → Remove one screw and
the PWB-H Mounting Bracket Assy. → PWB-H
Remove the Harness Cover. → Remove the Rear
Cover. → Remove two screws and the PW Board
Cover. → PWB-I
Cover. → Remove one screw and the PWB-L Mounting Bracket Assy. → PWB-L
and the MFB Box Cover. → PWB-N
Remove the Fusing Unit. → Remove the rear lamp
cover. → PWB-R
Remove the Vertical Transport Unit. → Remove two
screws and two ground plates. → PWB-R
Open the Side Cover. → Remove the Imaging Car-
tridge. → Remove one screw and the PW Board
Cover. → PWB-R
Cover. → Remove the Left Cover. → Remove five
screws and the Reinforcement Bracket. → Remove
three screws and the PU1 Mounting Bracket Assy. →
PU1
Cover. → PU2
tridge. → Remove two screws and the HV1 Cover. →
HV1
screws and the Harness Cover. → BCR
→
→
Cover.
Rear Lower Cover.
→
only)
→
and the HGB Mounting Bracket Assy.
Remove the Optical Cover.
→
Remove the Shielding Plate. (U.S.A. and Canada
→
Remove one screw and the Harness Cover.
Unplug nine connectors. → Remove five screws
Remove the Rear Upper Co ver.
Remove the Right IR
→
Remove the
→
HGB
D-8
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
Symbol P art Name Removal Procedure
UN2 MFB Board Remove the Upper Cover. → Remove nine screws
UN3 Polygon Motor Drive
Board
and the MFB Box Cover. → UN2
Remove the PH Unit. → UN3
D-9
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
2-3. PAPER TAKE-UP/TRANSPORT SECTION
(1) Replacement of the Paper Take-Up Roll
1. Slide out the MP Cassette.
4108D033AA
2. Lock the Paper Lifting Plate.
3. Snap off one C-clip of the Paper Take-Up Roll
Assy.
4. Slide the Paper Take-Up Roll Assy to the rear so
that it can be pulled off the bushing at the front.
1167D140AA
5. Snap off one C-clip and remove and replace the
Paper Take-Up Roll.
4108D035AA
(2) Replacement of the Paper Dust Remover
1. Open the Side Cover.
1171D021AA
2. Remove the Paper Dust Remover and replace it.
1167D007AB
D-10
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
(3) Cleaning of the Paper Dust Remover
1. Open the Side Cover.
1171D021AA
2. Remove the Paper Dust Remover.
1167D007AB
3. Using a brush, whisk dust and dirt off the Paper
Dust Remover.
1167D008AB
(4) Cleaning of the Side Cover
Using a soft cloth dampened with alcohol, wipe the
Side Cover.
1171D052AB
(5) Cleaning of the Duplex Unit Cover
Using a soft cloth dampened with alcohol, wipe the
Duplex Unit Cover.
1171D051AA
D-11
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
2-4. OPTICAL SECTION
(1) Removal of the IR Unit
1. Remove the Original Cover, Front Holding Brack et, Upper F ront Left Co v er , Front Cover,
Front Upper Cover, Rear Right IR Cover, Rear Left IR Cover, Rear Lower Cover, Rear
Upper Cover, and Front Inside Cover.
2. Remove one screw and the Motor Cover.
1171D054AA
3. Remove the Shielding Plate. (U.S.A. and Canada
only)
4. Remove one screw and the Harness Cover.
1167D149DA
1167D027AC
1167D032AC
5. Unplug eight connectors of the HGB Board.
6. Remove three screws and the Harness Cover.
7. Unplug one connector of the BCR Board.
D-12
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
8. Remove one screw and the Total Counter Mounting Bracket Assy.
9. Unplug one connector of the Control Panel.
10. Remove two screws that secure the front end of
the frame.
1167D033AC
11. Remove five scre ws that secure the rear end of the
frame.
1167D059AC
12. Raise the rear end of the IR Unit and pull the unit
out toward front.
1171D053AA
(2) Removal of the PH Unit
NOTES
•
Do not place the PH Unit upside down or subject it to excessive shock.
•
Replace the PH Unit as one unit.
•
NEVER attempt to disassemble or adjust the PH Unit.
•
Whenever the PH Unit has been removed, make the following adjustments:
Edge Erase, Registration (CD, FD) (Printer), Registration (IR).
1. Remove the Upper Cover, Front Cover, Left Cover,
and Rear Cover.
2. Remove four screws and the MFB Box Cover.
3. Unplug five connectors of the MFB Board.
1167D058AE
D-13
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
4. Remove two screws and the MFB Box Assy.
1167D028AA
5. Remove five screws and the Reinforcement
Bracket.
6. Remove four screws and the handle.
1167D062AC
7. Unplug all connectors (13) from Master Board
PWB-A.
1167D029AC
1167D030AB
1167D012AA
8. Remove the harness from all cord clamps (12) on
the PH Base Plate.
9. Remove four screws and the PH Unit.
D-14
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
(3) Removal of the CCD Unit
1. Remove the Original Glass.
2. Remove four screws and the Cover.
1167D014AB
3. Unplug two connectors of the CCD Unit.
4. Remove two screws and the CCD Unit.
1171D055AA
NOTES
1. When removing the CCD Unit, remove only those screws and parts that are specified.
(Remove the CCD Unit as one unit.)
2. Whenever the CCD Unit has been replaced, make the following adjustment:
FD of Zoom Adjust (IR).
(4) Cleaning of the Scanner Rails/Bushings
1. Remove the Original Glass.
2. Using a soft cloth, wipe clean the Scanner Rails
and Bushings.
1167D016AB
D-15
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
(5) Cleaning of the Mirrors
1. Remove the Original Glass.
2. Wipe clean the Mirrors with a soft cloth.
1167D017AC
(6) Cleaning of the Lens
1. Remove the CCD Unit.
2. Wipe clean the Lens with a soft cloth.
1167D018AB
(7) Cleaning of the Original Glass
Wipe clean the Original Glass with a soft cloth.
1171D050AA
(8) Removal of the Scanner
1. Remove the Original Glass.
2. Remove the Rear Holding Bracket.
3. Slide the Scanner to the position shown.
1167D039AC
D-16
FrameMaker Ver.5.5E(PC) Di350 DIS/REASSEMBLY, ADJUSTMENT
98.12.09
4. Remove one screw and unplug the connector of
the Exposure Lamp.
5. Remove the flat cable of the Exposure Lamp.
1167D037AC
6. Remove one screw and the Lamp Fixing Bracket.
1167D035AD
Rear
7. Slide the Exposure Lamp to the front and remove
it.
Front
1167D036AA
8. Remove two screws and the Scanner.
1167D049AB
D-17
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