Ricoh Aficio 220 - Page 13

SM iii A265/A267
2.7 DRUM CLEANING AND TONER RECYCLING ...................................... 2-52
2.7.1 DRUM CLEANING ......................................................................... 2-52
2.7.2 TONER RECYCLING .....................................................................2-53
2.8 PAPER FEED..........................................................................................2-54
2.8.1 OVERVIEW .................................................................................... 2-54
2.8.2 PAPER FEED DRIVE MECHANISM .............................................. 2-55
2.8.3 PAPER FEED AND SEPARATION MECHANISM ......................... 2-56
2.8.4 PAPER LIFT MECHANISM ............................................................2-57
2.8.5 PAPER END DETECTION ............................................................. 2-58
2.8.6 PAPER HEIGHT DETECTION ....................................................... 2-59
2.8.7 FEED PRESSURE ADJUSTMENT FOR PAPER SIZE..................2-60
Overview............................................................................................. 2-60
Paper Size Thresholds ....................................................................... 2-60
Feed Pressure Adjustment .................................................................2-61
Effect of the Amount of Remaining Paper........................................... 2-61
2.8.8 PAPER SIZE DETECTION............................................................. 2-63
2.8.9 SPECIAL PAPER SETTING........................................................... 2-64
2.8.10 SIDE AND END FENCES ............................................................2-65
Side Fences........................................................................................ 2-65
End Fence ..........................................................................................2-65
2.8.11 PAPER REGISTRATION .............................................................2-66
2.9 IMAGE TRANSFER AND PAPER SEPARATION................................... 2-67
2.9.1 OVERVIEW .................................................................................... 2-67
2.9.2 IMAGE TRANSFER CURRENT TIMING........................................ 2-68
2.9.3 TRANSFER ROLLER CLEANING ................................................. 2-69
2.9.4 PAPER SEPARATION MECHANISM ............................................ 2-69
2.10 IMAGE FUSING AND PAPER EXIT...................................................... 2-70
2.10.1 OVERVIEW .................................................................................. 2-70
2.10.2 FUSING DRIVE AND RELEASE MECHANISM ........................... 2-71
2.10.3 FUSING ENTRANCE GUIDE SHIFT MECHANISM.....................2-72
2.10.4 PRESSURE ROLLER .................................................................. 2-73
2.10.5 CLEANING MECHANISM ............................................................ 2-73
2.10.6 FUSING TEMPERATURE CONTROL ......................................... 2-74
Temperature Control........................................................................... 2-74
Fusing Lamp Control .......................................................................... 2-75
2.10.7 OVERHEAT PROTECTION .........................................................2-76
2.10.8 PAPER EXIT ................................................................................2-76
2.11 ENERGY SAVER MODES .................................................................... 2-77
2.11.1 OVERVIEW .................................................................................. 2-77
2.11.2 ENERGY SAVER MODE .............................................................2-78
Entering the energy saver mode......................................................... 2-78
What happens in energy saver mode ................................................. 2-78
Return to stand-by mode ....................................................................2-78
2.11.3 LOW POWER MODE................................................................... 2-79
Entering the low power mode .............................................................2-79
What happens in low power mode...................................................... 2-79
Return to stand-by mode ....................................................................2-79
2.11.4 AUTO OFF MODE........................................................................2-80
Entering auto off mode ....................................................................... 2-80