Ricoh A229 Service Manual page 14

2.8.7 PAPER REGISTRATION ............................................................... 2-96
Overview ............................................................................................ 2-96
Registration Drive Mechanism............................................................ 2-97
Guide Plate Release Mechanism ....................................................... 2-98
2.8.8 PAPER NEAR-END/END DETECTION - TRAYS 1 TO 3 ............. 2-99
Near-end Detection ............................................................................ 2-99
End Detection..................................................................................... 2-99
2.8.9 PAPER SIZE DETECTION - TRAY 2.......................................... 2-100
2.8.10 BUILT IN LCT ............................................................................ 2-101
Paper Tray Lift Mechanism .............................................................. 2-101
Tray Lock Mechanism ...................................................................... 2-102
2.8.11 BY-PASS FEED TABLE............................................................. 2-103
Feed Mechanism/Paper End Detection............................................ 2-103
Table Open/Close Detection ............................................................ 2-104
Paper Size Detection ....................................................................... 2-105
2.8.12 TANDEM FEED TRAY............................................................... 2-106
Overview .......................................................................................... 2-106
Side Fence Drive Mechanism........................................................... 2-107
Rear Fence Drive Mechanism.......................................................... 2-108
Tray Lock Mechanism ...................................................................... 2-109
Tray Lifting and Lowering Mechanism.............................................. 2-109
2.9 IMAGE FUSING.................................................................................... 2-110
2.9.1 OVERVIEW.................................................................................. 2-110
2.9.2 FUSING ENTRANCE GUIDE ...................................................... 2-111
2.9.3 FUSING DRIVE MECHANISM..................................................... 2-112
2.9.4 FUSING LAMP CONTROL .......................................................... 2-113
2.10 PAPER EXIT/DUPLEX........................................................................ 2-114
2.10.1 OVERVIEW................................................................................ 2-114
2.10.2 PAPER EXIT MECHANISM ....................................................... 2-115
2.10.3 DUPLEX DRIVE MECHANISM .................................................. 2-116
2.10.4 INVERTER................................................................................. 2-117
Feed-in and Jogging ........................................................................ 2-117
Feed-out........................................................................................... 2-118
2.10.5 DUPLEX TRAY FEED MECHANISM......................................... 2-119
2.10.6 BASIC DUPLEX FEED OPERATION ........................................ 2-120
Up to A4 / Letter lengthwise ............................................................. 2-120
Longer than A4 / Letter lengthwise................................................... 2-123
2.11 ENERGY SAVER MODES.................................................................. 2-126
2.11.1 OVERVIEW................................................................................ 2-126
2.11.2 ENERGY SAVER MODE ........................................................... 2-127
Entering energy saver mode ............................................................ 2-127
What happens in energy saver mode............................................... 2-127
Return to stand-by mode.................................................................. 2-127
2.11.3 LOW POWER MODE................................................................. 2-128
Entering low power mode................................................................. 2-128
What happens in low power mode ................................................... 2-128
Return to stand-by mode.................................................................. 2-128
A229 iv SM