Gestetner B003 Service Manual page 15

3.10.5 LD UNIT........................................................................................3-24
Laser beam pitch adjustment..............................................................3-25
3.11 PHOTOCONDUCTOR UNIT (PCU) ......................................................3-26
3.11.1 PCU ..............................................................................................3-26
3.11.2 DRUM...........................................................................................3-27
3.11.3 PICK-OFF PAWLS .......................................................................3-28
3.11.4 CHARGE ROLLER CLEANING PAD & ROLLER BRUSH ............3-29
3.11.5 DRUM CLEANING BLADE...........................................................3-31
3.11.6 ID SENSOR..................................................................................3-31
3.12 DEVELOPMENT ...................................................................................3-32
3.12.1 DEVELOPMENT UNIT .................................................................3-32
3.12.2 DEVELOPMENT FILTER .............................................................3-33
3.12.3 DEVELOPMENT ROLLER ...........................................................3-33
3.12.4 DEVELOPER................................................................................3-34
3.12.5 TD SENSOR.................................................................................3-36
3.13 TRANSFER UNIT..................................................................................3-37
3.13.1 TRANSFER BELT UNIT ...............................................................3-37
3.13.2 TRANSFER BELT ........................................................................3-38
3.13.3 TRANSFER BELT CLEANING BLADE AND TONER OVERFLOW
SENSOR.......................................................................................3-39
3.14 PAPER FEED........................................................................................3-40
3.14.1 PICK-UP, SEPARATION, AND FEED ROLLERS ........................3-40
3.14.2 LOWER RIGHT COVER...............................................................3-41
3.14.3 RELAY/UPPER PAPER FEED AND LOWER PAPER FEED
CLUTCHES ...................................................................................3-42
3.14.4 UPPER PAPER FEED UNIT FOR TRAY 1 ..................................3-43
3.14.5 LOWER PAPER FEED UNIT FOR TRAY 2 .................................3-44
3.14.6 PAPER END/PAPER HEIGHT/RELAY SENSORS ......................3-45
3.14.7 REGISTRATION SENSOR...........................................................3-46
3.14.8 TRAY LIFT MOTOR .....................................................................3-48
3.14.9 FEED/DEVELOPMENT MOTOR..................................................3-49
3.15 FUSING .................................................................................................3-50
3.15.1 FUSING UNIT...............................................................................3-50
3.15.2 FUSING UNIT EXIT GUIDE .........................................................3-51
3.15.3 HOT ROLLER STRIPPERS .........................................................3-51
3.15.4 FUSING LAMPS ...........................................................................3-52
3.15.5 THERMISTORS AND THERMOSTATS .......................................3-54
3.15.6 FUSING ROLLER/PRESSURE ROLLER.....................................3-55
3.16 BY-PASS TRAY ....................................................................................3-57
3.16.1 COVER REPLACEMENT .............................................................3-57
3.16.2 BY-PASS PAPER FEED AND PICK-UP ROLLER
REPLACEMENT ...........................................................................3-58
3.16.3 BY-PASS SEPARATION ROLLER REPLACEMENT ...................3-59
3.16.4 PAPER END SENSOR AND PICK-UP SOLENOID
REPLACEMENT ...........................................................................3-60
3.16.5 PAPER SIZE SENSOR BOARD REPLACEMENT .......................3-61
3.16.6 BY-PASS TABLE REMOVAL .......................................................3-62
3.16.7 PAPER FEED CLUTCH REPLACEMENT....................................3-63
SM iii
Rev. 02/2002
B003/B004/B006/B007