Ricoh LD013, Service Manual

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B039/B040/B043 viii SM
Overview ............................................................................................ 6-62
Fusing Lamp Control .......................................................................... 6-64
Fusing Temperature Control for Thick Paper at the By-pass Tray ..... 6-65
Pre-heat Mode (Fusing Idling) ............................................................ 6-65
To Prevent Offset when Making Multiple Copies
on Small-width Paper ......................................................................... 6-65
Reduced Copy Speed with Narrow Paper .......................................... 6-65
6.13.6 OVERHEAT PROTECTION ......................................................... 6-66
6.14 DUPLEX UNIT ...................................................................................... 6-67
6.14.1 OVERALL..................................................................................... 6-67
6.14.2 DRIVE MECHANISM ................................................................... 6-68
6.14.3 BASIC OPERATION .................................................................... 6-69
Larger than A4 Short-edge/LT Short-edge ......................................... 6-69
Up to A4 Short-edge/LT Short-edge ................................................... 6-70
6.14.4 FEED IN AND EXIT MECHANISM............................................... 6-71
6.15 ENERGY SAVER MODES.................................................................... 6-72
6.15.1 OVERVIEW .................................................................................. 6-72
6.15.2 LOW POWER MODE................................................................... 6-73
Entering Low Power Mode ................................................................. 6-73
What Happens in Low Power Mode ................................................... 6-73
Returning to Stand-by Mode............................................................... 6-74
6.15.3 NIGHT/OFF MODE ...................................................................... 6-74
Entering Night/Off Mode ..................................................................... 6-74
What Happens in Night/Off Mode ....................................................... 6-75
Returning to Stand-by Mode............................................................... 6-75
AUTO REVERSE DOCUMENT FEEDER B379
1 OVERALL MACHINE INFORMATION ......................................... 7-1
1.1 MECHANICAL COMPONENT LAYOUT ................................................... 7-1
1.2 ELECTRICAL COMPONENT LAYOUT .................................................... 7-2
1.3 DRIVE LAYOUT........................................................................................ 7-3
2 DETAILED SECTION DESCRIPTIONS........................................ 7-4
2.1 ORIGINAL SIZE DETECTION .................................................................. 7-4
2.2 PICK-UP AND SEPARATION ................................................................... 7-6
2.3 ORIGINAL TRANSPORT AND EXIT ........................................................ 7-7
2.3.1 SINGLE-SIDED ORIGINALS ........................................................... 7-7
2.3.2 DOUBLE-SIDED ORIGINALS.......................................................... 7-8
2.3.3 ORIGINAL TRAILING EDGE SENSOR ........................................... 7-9
2.4 STAMP.................................................................................................... 7-10
2.5 TIMING CHARTS.................................................................................... 7-11
2.5.1 SINGLE-SIDED ORIGINAL MODE (A3) ........................................ 7-11
2.5.2 SINGLE-SIDED ORIGINAL MODE (A3, STAMP MODE) .............. 7-12
2.5.3 DOUBLE-SIDED ORIGINAL MODE .............................................. 7-13
2.5.4 DOUBLE-SIDED ORIGINAL MODE (STAMP MODE) ................... 7-14
2.6 JAM DETECTION ................................................................................... 7-15
Rev. 03/2002