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FrameMaker Ver.5.5E(PC) Di250 DIS/REASSEMBLY, ADJUSTMENT
99.01.07

Di250
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 BREAKERS .................... 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
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 Pre-Image Transfer Guide Plate ............................ D-23
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
3-3. ADJUSTMENT OF BELT TENSION ........................................................ D-30
3-4. TEST PRINT ............................................................................................ D-31

i
FrameMaker Ver.5.5E(PC) Di250 DIS/REASSEMBLY, ADJUSTMENT
99.01.07

3-5. ELECTRICAL/IMAGE ADJUSTMENT ..................................................... 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) Di250 DIS/REASSEMBLY, ADJUSTMENT
99.01.07

1 SERVICE INSTRUCTIONS

1-1. IDENTIFICATION OF FUSES AND CIRCUIT BREAKERS

125V 3.15A
Power Supply Unit 2
PU2 125V 5A

125V 5A

Master Board
PWB-A 125V 3A (F1) Fusing Roller
125V 3A (F2) Heater Lamp Fuse
250V 1A (F3) TF1 125V 15A
250V 1A (F4)

Power Supply Unit 1
PU1 125V 10A (F1)
125V 15A (F2)
Fusing Roller
250V 3.15A (F3)
Thermostat
250V 3.15A (F4)
TS1 250V 10A

1171D016AC

1-2. PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT