Ricoh G031 Service Manual page 16

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/G049/G054 iv SM