Toshiba e-STUDIO 4500c, Service Manual

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Connecting the Left and Right Sides of the Tray...............................6-115
Paper Lift/Remaining Paper Detection ..............................................6-116
Fence Drive.......................................................................................6-118
Rear Fence Drive ..............................................................................6-119
Tray Side-to-side Positioning ............................................................6-120
6.13.9 TRAY POSITIONING MECHANISM – TRAYS 1 TO 3 ...............6-121
6.13.10 BYPASS TRAY .........................................................................6-122
Bypass Feed and Separation............................................................6-122
Bypass Tray Paper End Detection ....................................................6-123
Bypass Paper Size Detection............................................................6-124
6.13.11 PAPER REGISTRATION..........................................................6-126
Overview ...........................................................................................6-126
Paper Registration Drive ...................................................................6-127
Jam Removal at Paper Registration..................................................6-128
6.13.12 PAPER TYPE AND DOUBLE-FEED DETECTION...................6-129
6.14 FUSING, PAPER EXIT ........................................................................6-132
6.14.1 OVERVIEW ................................................................................6-132
6.15 THERMISTORS, THERMOSTATS......................................................6-134
6.15.1 FUSING UNIT DRIVE .................................................................6-135
6.15.2 LUBRICATION AND CLEANING ................................................6-136
Stripper Retraction ............................................................................6-137
6.15.3 FUSING TEMPERATURE CONTROL........................................6-138
Basic Temperature Control ...............................................................6-138
Correction for Machine Internal Temperature ...................................6-140
Copy Speed Reduction (CPM Down Mode)......................................6-140
6.15.4 FUSING UNIT VENTILATION.....................................................6-141
6.16 DUPLEX UNIT .....................................................................................6-142
6.16.1 OVERVIEW ................................................................................6-142
6.16.2 DUPLEX DRIVE..........................................................................6-143
6.16.3 INVERTER OPERATION............................................................6-144
Inverter Feed-in and Jogging ............................................................6-144
Inverter Feed-out...............................................................................6-145
6.16.4 DUPLEX TRAY FEED ................................................................6-146
6.16.5 DUPLEX INTERLEAVE FEED....................................................6-147
6.16.6 DUPLEX UNIT VENTILATION....................................................6-149
6.17 PAPER EXIT........................................................................................6-150
6.17.1 FACE UP EXIT MECHANISM.....................................................6-150
6.17.2 DE-CURL MECHANISM .............................................................6-151
6.17.3 PAPER EXIT COOLING .............................................................6-152
6.17.4 ENERGY SAVER MODES .........................................................6-153
A3/11”X17 PAPER SIZE TRAY
1. INSTRALLATION ................................................................. B331-1
2. REPLACEMENT AND ADJUSTMENT ................................. B331-2
2.1 BOTTOM PLATE LIFT WIRE REPLACEMENT................................... B331-2
06/09