Ricoh C231 Service Manual page 34

6.9.4 SIDE EDGE PAPER PRESS PLATE MECHANISM.......................6-35
6.9.5 REGISTRATION ROLLER MECHANISM.......................................6-36
6.9.6 PAPER FEED RETRY MECHANISM .............................................6-36
6.9.7 REGISTRATION ROLLER UP/DOWN MECHANISM ....................6-37
6.9.8 REGISTRATION SENSOR CLEANING .........................................6-38
6.9.9 PRINTING PRESSURE MECHANISM ...........................................6-39
6.9.10 PAPER TABLE MECHANISM ......................................................6-40
Table Up and Down Mechanism .........................................................6-40
Paper End Detection Mechanism .......................................................6-41
Paper Size Detection ..........................................................................6-41
6.9.11 PAPER TABLE SIDE FENCE MECHANISM ................................6-42
Paper Table Side-to-Side Shift Mechanism ........................................6-42
Side Fence Friction Pads....................................................................6-43
6.10 PAPER DELIVERY................................................................................6-44
6.10.1 OVERALL .....................................................................................6-44
Procedure ...........................................................................................6-44
6.10.2 PAPER DELIVERY UNIT DRIVE MECHANISM...........................6-45
Mechanism .........................................................................................6-45
6.10.3 PAPER SEPARATION FROM DRUM ..........................................6-46
Air knife...............................................................................................6-46
6.10.4 EXIT PAWL DRIVE MECHANISM................................................6-47
6.10.5 SIDE PLATE GUIDE.....................................................................6-49
6.11 ABNORMAL VOLTAGE PROTECTION ................................................6-50
Momentary voltage drop .....................................................................6-50
Low voltage (less than 150V)..............................................................6-50
High voltage........................................................................................6-50
Over voltage (More than AC400V)......................................................6-50
General Notes on this Feature............................................................6-51
6.12 ERROR DETECTION............................................................................6-52
6.12.1 MASTER EJECT JAM (E JAM LOCATION INDICATOR) ............6-52
Picking up the used master from the drum .........................................6-52
Compressing the used master ............................................................6-52
Just after turning on the main switch...................................................6-52
6.12.2 ADF JAM (P JAM LOCATION INDICATOR) ................................6-53
Feeding in the original (ADF) ..............................................................6-53
Just after turning on the main switch...................................................6-53
6.12.3 MASTER FEED JAM (D JAM LOCATION INDICATOR) ..............6-54
Cutting the master...............................................................................6-54
Clamping the master...........................................................................6-54
6.12.4 PAPER FEED JAM (A JAM LOCATION INDICATOR + ) + Z) .....6-55
Paper feed ..........................................................................................6-55
6.12.5 PAPER DELIVERY JAM (C JAM LOCATION INDICATOR).........6-55
Paper delivery .....................................................................................6-55
6.13 TIMING CHART.....................................................................................6-56
6.13.1 SCANNING...................................................................................6-56
6.13.2 MASTER EJECT ..........................................................................6-56
6.13.3 MASTER FEED ............................................................................6-57
6.13.4 PRINT...........................................................................................6-58
C231/C237/C238/C248/C267
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SM