Ricoh Gestetner 5430 - Page 5

ii
3.3 SCANNER.................................................................................................3-4
3.3.1 EXPOSURE GLASS / SCALES........................................................3-4
3.3.2 SBU AND LAMP STABILIZER / SCANNER MOTOR.......................3-4
3.3.3 SCANNER H.P. SENSOR / PLATEN COVER SENSOR .................3-5
3.3.4 EXPOSURE LAMP (XENON LAMP)................................................3-6
3.3.5 SCANNER WIRES ...........................................................................3-7
Installation.............................................................................................3-7
3.3.6 IMAGE ADJUSTMENT.....................................................................3-9
3.4 MASTER EJECT .....................................................................................3-10
3.4.1 MASTER EJECT UNIT...................................................................3-10
3.5 MASTER FEED.......................................................................................3-11
3.5.1 MASTER MAKING UNIT ................................................................3-11
3.5.2 THERMAL HEAD............................................................................3-11
Installation...........................................................................................3-12
3.5.3 THERMAL HEAD VOLTAGE ADJUSTMENT.................................3-13
3.5.4 MASTER END SENSOR ADJUSTMENT.......................................3-14
3.6 PAPER FEED..........................................................................................3-15
3.6.1 PICK-UP ROLLER / PAPER FEED ROLLER / FRICTION PAD.....3-15
3.6.2 PAPER SEPARATION PRESSURE ADJUSTMENT......................3-15
3.6.3 PAPER WIDTH DETECTION BOARD ...........................................3-16
3.7 PRINTING ...............................................................................................3-17
3.7.1 PRESS ROLLER............................................................................3-17
3.7.2 PRESS ROLLER RELEASE LEVER ADJUSTMENT.....................3-18
3.7.3 PRINTING PRESSURE ADJUSTMENT.........................................3-19
3.8 DRUM......................................................................................................3-20
3.8.1 PREPARATION..............................................................................3-20
3.8.2 CLOTH SCREEN............................................................................3-20
Installation...........................................................................................3-21
3.8.3 CLAMPER / METAL SCREEN .......................................................3-22
Installation...........................................................................................3-23
3.8.4 INK PUMP ADJUSTMENT .............................................................3-24
3.8.5 INK ROLLER UNIT / INK ROLLER ONE-WAY CLUTCH ...............3-26
3.8.6 DOCTOR ROLLER GAP ADJUSTMENT .......................................3-27
3.8.7 INK DETECTION ADJUSTMENT...................................................3-28
3.8.8 MAIN MOTOR PULLEY POSITION................................................3-28
3.8.9 MAIN DRIVE TIMING BELT ADJUSTMENT ..................................3-28
3.9 PAPER DELIVERY..................................................................................3-29
3.9.1 PAPER DELIVERY UNIT ...............................................................3-29
3.9.2 DELIVERY BELT / PAPER EXIT SENSOR....................................3-29
3.9.3 EXIT PAWL ADJUSTMENT ...........................................................3-30
Clearance adjustment.........................................................................3-30
Timing adjustment ..............................................................................3-31
3.9.4 AIR PUMP ADJUSTMENT .............................................................3-32
3.10 SPECIAL TOOLS ..................................................................................3-33