Table Of Contents - Ricoh B174 Service Documentation

Table of Contents

INSTALLATION

1. INSTALLATION............................................................................ 1-1

PREVENTIVE MAINTENANCE

2. PREVENTIVE MAINTENANCE.................................................... 2-1

REPLACEMENT AND ADJUSTMENT

3. REPLACEMENT AND ADJUSTMENT ........................................ 3-1

3.1 GENERAL PRECAUTIONS ON DISASSEMBLY ......................................3-1

Releasing Plastic Latches.....................................................................3-1

3.2 REAR COVER...........................................................................................3-2

3.3 SCANNER ASS'Y......................................................................................3-3

3.4 ADF ASS'Y ................................................................................................3-9

3.5 OPE ASS'Y (ALSO KNOWN AS 'OP-PORT') .........................................3-11

3.6 RIGHT COVER ASS'Y ............................................................................3-12

Multi Purpose (MP) Tray (Also known as Bypass Tray)......................3-13

Duplex Ass'y .......................................................................................3-14

Transfer Roller Ass'y...........................................................................3-14

3.7 FUSER ASS'Y (ALSO KNOWN AS 'FUSING UNIT') ..............................3-15

3.8 EXIT ASS'Y .............................................................................................3-17

3.9 COPY TRAY............................................................................................3-18

3.10 DRIVE ASS'Y ........................................................................................3-19

3.11 SMPS & HVPS (ALSO KNOWN AS 'PSU' AND 'POWER PACK) ........3-20

3.12 LSU (LASER SCANNING UNIT) ...........................................................3-21

3.13 LEFT COVER ........................................................................................3-22

3.14 MAIN FRAME ASS'Y.............................................................................3-23

3.15 MP ASS'Y (MULTI PURPOSE ASS'Y) ..................................................3-25

3.16 FEED ASS'Y..........................................................................................3-27

3.17 PICK UP ASS'Y .....................................................................................3-28

3.18 MAIN BOARD........................................................................................3-29

3.19 LIU BOARD ...........................................................................................3-30

TROUBLESHOOTING

4. TROUBLESHOOTING ................................................................. 4-1

4.1 ERROR MESSAGES ................................................................................4-1

4.2 ABNORMAL IMAGE PRINTING AND DEFECTIVE ROLLERS.................4-3

4.3 TROUBLESHOOTING ..............................................................................4-4

4.3.1 SCANNER ........................................................................................4-4

B174

Chapters

Table of Contents

Table Of Contents - Ricoh B174 Service Documentation