Specifications

Symbol Name Removal Procedure
PWB-A Master Board Remove the Right Upper Cover. → Remove PWB-A.
PWB-B MSC Board
Open the Front Lower Door. → Open the Front Upper
Door. → Remove the Panel Lower Cover. → Remove
PWB-B.
PWB-C DC Power Supply Board Remove the Rear Lower Cover. → Remove PWB-C.
PWB-D Noise Filter Board
Remove the Rear Lower Cover. → Remove the Power
Unit Assy. → Remove PWB-D.
PWB-F Drawer S/P Board Remove the Rear Lower Cover. → Remove PWB-F.
PWB-G Duplex Unit S/P Board
Open the Front Lower Door. → Remove the Duplex
Unit Cover. → Remove PWB-G.
PWB-H AE Sensor Board
Remove the Original Glass. → Remove the Optical
Cover. → Remove PWB-H.
PWB-I
Tech. Rep. Setting Switches
Board
Open the Front Lower Door. → Open the Front Upper
Door. → Remove the Panel Lower Cover. → Remove
PWB-I.
PWB-J
Scanner Control Processor
Board
Remove the Rear Upper Cover. → Remove PWB-J.
PWB-O M14/M16 Drive Board
Open the Front Lower Door. → Open the Front Upper
Door. → Remove the Left Upper Cover. → Remove the
Panel Lower Cover. → Remove the PWB-B mounting
bracket. → Remove PWB-O.
PWB-P1
PC Drum Charge Wire
Cleaning Motor Drive Board
Open the Front Lower Door. → Remove the PC Unit
Cover. → Remove PWB-P1.
PWB-P2
Image Transfer/Paper
Separator Charge Wire
Cleaning Motor Drive Board
Open the Front Lower Door. → Release and swing up
the Upper Half of the copier. → Remove the Image
Transfer Cover. → Remove PWB-P2.
PWB-R RAM Board Remove the Right Upper Cover. → Remove PWB-R.
PWB-T
Synchronizing Motor
Control Board
Open the Front Lower Door. → Remove the Image
Transfer Cover. → Remove the Synchronizing Rollers
Unit. → Remove PWB-T.
UN1 Control Panel See p. D-8.
UN2
Original Size Detecting
Board
Remove the Rear Upper Cover. → Remove the Left
Upper Cover. → Remove UN2.
UN8 ATDC Sensor
Open the Front Lower Door. → Slide out the PC Unit.
→ Remove the Developing Unit. → Remove the Duct
Cover. → Remove UN8.
UN9 AIDC Sensor
Open the Front Lower Door. → Slide out the PC Unit.
→ Remove the Cleaning Unit. → Remove the PC
Drum. → Remove the PC Drum Paper Separator
Fingers Assy. → Remove UN9.
PU2 DC Power Supply 1
Remove the Rear Lower Cover. → Remove the Power
Unit Assy. → Remove PU2.
PU3 DC Power Supply 2
Remove the Rear Lower Cover. → Remove the Power
Unit Assy. → Remove PU3.
D-10