Ricoh G031 Service Manual page 282

Rev. 03/2000
6.4.2 BY-PASS FEED ROLLER REPLACEMENT.................................. 6-12
6.4.3 PAPER FEED ROLLER REPLACEMENT ..................................... 6-15
6.4.4 RELAY ROLLER REPLACEMENT (STINGER - P4 ONLY)........... 6-17
6.4.5 FRICTION PAD REPLACEMENT .................................................. 6-18
6.4.6 TRAY PAPER FEED CLUTCH REPLACEMENT .......................... 6-19
6.5 LASER UNIT........................................................................................... 6-20
6.5.1 CAUTION DECAL LOCATIONS .................................................... 6-20
6.5.2 LASER UNIT/SHIELD GLASS REPLACEMENT ........................... 6-21
6.5.3 LD UNIT/LASER SYNCHRONIZATION DETECTOR
REPLACEMENT ............................................................................ 6-22
6.5.4 POLYGONAL MIRROR MOTOR REPLACEMENT ....................... 6-23
6.5.5 LD UNIT/POLYGONAL MIRROR MOTOR REPLACEMENT ........ 6-24
6.6 OTHERS................................................................................................. 6-25
6.6.1 TONER NEAR-END SENSOR REPLACEMENT........................... 6-25
6.6.2 MAIN MOTOR/GEAR BOX REMOVAL.......................................... 6-26
6.6.3 ENGINE CONTROL BOARD REPLACEMENT ............................. 6-27
6.6.4 PRINTER CONTROL BOARD REPLACEMENT ........................... 6-28
6.6.5 HIGH VOLTAGE SUPPLY BOARD ............................................... 6-29
6.6.6 POWER SUPPLY UNIT REPLACEMENT ..................................... 6-30
6.7 PRINT REGISTRATION ADJUSTMENT ................................................ 6-31
TROUBLESHOOTING
7. TROUBLESHOOTING.................................................................. 7-1
7.1 OPERATOR ERRORS ............................................................................. 7-1
7.2 PRINTER ENGINE SC CODES................................................................ 7-6
7.3 DIAGNOSTIC ERROR CODES ................................................................ 7-9
7.3.1 DIAGNOSTIC ERROR CODE TABLE ............................................. 7-9
7.4 ELECTRICAL COMPONENT DEFECTS................................................ 7-17
7.4.1 SENSORS ..................................................................................... 7-17
7.4.2 SWITCHES .................................................................................... 7-17
7.4.3 FUSES ........................................................................................... 7-17
ENVELOPE FEEDER G913
1. OVERALL INFORMATION........................................................... 8-1
1.1 SPECIFICATIONS .................................................................................... 8-1
1.2 MECHANICAL COMPONENT LAYOUT................................................... 8-1
2. DETAILED SECTION DESCRIPTIONS ....................................... 8-2
2.1 PAPER LIFT ............................................................................................. 8-2
3. INSTALLATION ............................................................................ 8-3
4. REPLACEMENT AND ADJUSTMENT......................................... 8-4
4.1 FRICTION PAD REPLACEMENT............................................................. 8-4
G031/G032 iv SM