Table of Contents
Advertisement
Symbol
Part Name
PWB-A
Master Board
PWB-B
Memory Board
PWB-C
Power Supply Board
PWB-D
Noise Filter Board
PWB-F
Drawer S/P Board
PWB-J
PHC Board
Toner Replenishing
PWB-O
Motor Control Board
Wire Cleaning Motor
PWB-P
Drive Board
Tech. Rep. Setting
PWB-S
Switches Board
Synchronizing Motor
PWB-T
Control Board
PWB-W
ECC Board
PWB-Y
RAM Board
Duplex Unit Turnover
PWB-Z
Motor Control Board
PWB-IA
CCD Board
PWB-IB
Image Processing Board
PWB-IC
SCP Board
UN1
Control Panel
UN4
ATDC Sensor
Polygon Motor Control
UN5
Board
UN6
AIDC Sensor
Exposure Lamp Inverter
UN10
Unit
PC Drum Charge/Devel-
HV1
oping Bias HV
Image Transfer/Paper
HV2
Separator HV
PU1
DC Power Supply
1) Readjustments and re-settings to be made when the RAM Board or ATDC Sensor has been
replaced
1. When the RAM Board has been replaced:
• Clear memory, then make the necessary settings again for Tech. Rep. Choice, User's Choice, and
Adjust.
2. When the ATDC Sensor has been replaced:
• Discard the developer which had been used until the ATDC Sensor was replace; then, charge fresh
starter and run F8 (ATDC Sensor Adjustment) and F5 (AIDC Sensor Adjustment).
Removal Procedure
Remove No. 25. → Remove the Master Board cover.
Remove No. 8, 9. → Remove the IR Unit fixing bracket. →
Remove the MSC Board cover.
Remove No. 25.
Remove No. 25. → Remove the circuit breaker assy. →
Remove mounting bracket.
Remove No. 25.
Slide out the IR Unit. → Remove the PH Board cover.
Remove No. 25.
<PC Drum Charge>
Slide out the PC Unit. → Remove the PC Unit front cover.
<Image Transfer/Paper Separator>
Slide out the Transport Tray Assy. → Remove the Transport
Unit cover. → Remove the Fusing Unit front cover.
Swing down No. 2. → Remove the control panel lower
cover assy.
Remove No. 25.
Remove No. 8, 9. → Remove the IR Unit fixing bracket. →
Remove the Memory Board cover.
Remove No. 25.
Slide out all paper drawers. → Remove No. 17, 23. →
Remove the Turnover Motor cover. → Remove the Turn-
over Motor Assy. → Remove the Turnover Motor.
See p. D-31.
Remove No. 4. → Remove the board cover.
Remove No. 25.
Remove No. 3.
See p. D-56.
Slide out the IR Unit.
See p. D-43.
Remove No. 25. → Remove the board cover.
Remove No. 25.
Slide out the Transport Tray Assy. → Remove the Transport
Unit cover. → Remove the Fusing Unit front cover. →
Remove the Suction Deck. → Remove the Fusing Unit. →
Remove the base plate.
Remove No. 22. → Remove the Turnover Unit Assy.
D-10
Advertisement
Chapters
Table of Contents
