Ricoh MP C3004 Field Service Manual page 23

Original Size Sensor................................................................................................................................. 533
Scanner HP Sensor....................................................................................................................................533
ARDF/Platen Cover Sensor......................................................................................................................534
Scanner FFC...............................................................................................................................................535
When changing the FFC.................................................................................................................. 536
Laser Unit........................................................................................................................................................ 540
Laser Unit....................................................................................................................................................540
Before Replacement......................................................................................................................... 541
Removing...........................................................................................................................................541
Installing a New Laser Unit.............................................................................................................. 542
Adjustment after replacing the laser unit.........................................................................................543
Polygon Mirror Motor...............................................................................................................................544
Adjustment after replacing the polygon mirror motor....................................................................545
SP descriptions...........................................................................................................................................545
PCDU.............................................................................................................................................................. 547
Notes when replacing a PCDU................................................................................................................547
MP C3004/C3504/C4504......................................................................................................... 547
MP C5504/C6004.........................................................................................................................547
Attaching the springs........................................................................................................................ 550
PCDU..........................................................................................................................................................553
Adjustment before replacing the PCDU.......................................................................................... 553
Replacement......................................................................................................................................554
Adjustment after Replacing the PCDU.............................................................................................557
PCU/Development Unit............................................................................................................................557
Before replacing a PCU or development unit.................................................................................557
Replacement......................................................................................................................................558
Precautions when joining the PCU and the development Unit......................................................561
Adjustment after Replacing the PCU and/or the Development Unit............................................ 562
Check procedure after replacing.................................................................................................... 563
Imaging Temperature Sensor (Thermistor).............................................................................................. 563
Waste Toner...................................................................................................................................................565
Replacement.............................................................................................................................................. 565
Image Transfer Unit....................................................................................................................................... 566
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