Ricoh Russian-C2a Service Manual page 6

Toner Near End Detection ..................................................................2-41
Toner Near End Recovery ..................................................................2-42
Toner End Detection ...........................................................................2-42
Toner End Recovery ...........................................................................2-42
2.7 DRUM CLEANING AND TONER RECYCLING.......................................2-43
2.7.1 DRUM CLEANING..........................................................................2-43
2.7.2 TONER RECYCLING .....................................................................2-44
2.8 PAPER FEED..........................................................................................2-45
2.8.1 OVERVIEW ....................................................................................2-45
2.8.2 PAPER FEED DRIVE MECHANISM ..............................................2-46
2.8.3 PAPER FEED AND SEPARATION MECHANISM .........................2-47
2.8.4 PAPER LIFT MECHANISM ............................................................2-48
2.8.5 PAPER END DETECTION .............................................................2-49
2.8.6 PAPER HEIGHT DETECTION .......................................................2-50
2.8.7 FEED PRESSURE ADJUSTMENT FOR PAPER SIZE..................2-51
Overview.............................................................................................2-51
Paper Size Thresholds........................................................................2-51
Feed Pressure Adjustment .................................................................2-52
Effect of the Amount of Remaining Paper...........................................2-52
From tray full to paper near-end .........................................................2-52
From paper near end to paper end .....................................................2-53
2.8.8 PAPER SIZE DETECTION.............................................................2-54
2.8.9 SPECIAL PAPER SETTING...........................................................2-55
2.8.10 SIDE AND END FENCES.............................................................2-56
Side Fences........................................................................................2-56
End Fence ..........................................................................................2-56
2.8.11 PAPER REGISTRATION..............................................................2-57
2.9 IMAGE TRANSFER AND PAPER SEPARATION ...................................2-58
2.9.1 OVERVIEW ....................................................................................2-58
2.9.2 IMAGE TRANSFER CURRENT TIMING........................................2-59
2.9.3 TRANSFER ROLLER CLEANING..................................................2-60
2.9.4 PAPER SEPARATION MECHANISM.............................................2-60
2.10 IMAGE FUSING AND PAPER EXIT......................................................2-61
2.10.1 OVERVIEW ..................................................................................2-61
2.10.2 FUSING DRIVE AND RELEASE MECHANISM ...........................2-62
2.10.3 FUSING ENTRANCE GUIDE SHIFT MECHANISM .....................2-63
2.10.4 PRESSURE ROLLER...................................................................2-64
2.10.5 CLEANING MECHANISM ............................................................2-64
2.10.6 FUSING TEMPERATURE CONTROL..........................................2-65
Temperature Control...........................................................................2-65
Fusing Lamp Control...........................................................................2-66
2.10.7 OVERHEAT PROTECTION .........................................................2-67
2.10.8 PAPER EXIT ................................................................................2-67
2.11 ENERGY SAVER MODES ....................................................................2-68
2.11.1 OVERVIEW ..................................................................................2-68
2.11.2 ENERGY SAVER MODE..............................................................2-69
Entering the energy saver mode.........................................................2-69
What happens in energy saver mode .................................................2-69
Return to stand-by mode ....................................................................2-69
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