Service manual

D-6
NOTE
PWB-M and PWB-R: optional on both the 45-cpm copier and 55-cpm copier.
Symbol Part Name Removal Procedure
INV Inverter Board Remove the Scanner. Unplug two connectors and
remove two screws and the Inverter Board Mounting
Bracket Assy. INV
PWB-A Master Board Remove the Right Cover. Remove the Rear Cover.
Remove three screws and the Cover. Remove four
screws and the Cover. PWB-A
PWB-B Image Processing
Board
D-7
PWB-C Power Supply
Board
Remove the Right Cover. Remove the Rear Cover.
Remove six screws and the Board Cover. PWB-C
PWB-G AIDC Sensor
Board
D-41
PWB-I1 Paper Size
Detecting Board 1
Remove four screws and the PC Drum Charge/Developing
Bias HV Mountaing Bracket Assy. Remove two screws
and the Board Cover. PWB-I
PWB-I2 Paper Size
Detecting Board 2
PWB-IC SCP Board Remove the Rear Upper Cover. PWB-IC
PWB-M Memory Board Remove the Original Glass. Remove four screws and the
IR Base Plate Left Cover. PWB-M
PWB-R HDD Power Sup-
ply Board
Remove the Rear Cover. Remove the Left Cover.
Remove three screws and the HDD Mounting Bracket Assy.
PWB-R
PWB-S Tech. Rep. Setting
Switches Board
Swing down the Front Door. Remove the Left Cover.
Remove four screws and the Cover. PWB-S
UN1 Control Panel Remove the Control Panel Unit. UN1
UN2 ATDC Sensor D-41
PU1 DC Power Supply
Main
Remove the Rear Cover. Remove six screws and the
Board Cover. PU1
PU2 DC Power Supply
Sub
Remove the Rear Cover. Remove the Left Cover.
Remove three screws and the DC Power Supply Sub
Mounting Bracket Assy. PU2
HV1 PC Drum Charge/
Developing Bias
HV
Remove the Rear Cover. Remove six screws and the
Board Cover. Remove ten screws and the DC Power
Supply Main Mounting Bracket Assy. HV1