10/00
2-112
Phaser 790/DocuColor 2006
007-712
Initial Issue
Status Indicator RAPs
007-712 Tray 2 Paper Size Not Detected RAP
The Control Logic detected that the wrong size paper is feeding from Tray 2.
Initial Actions
Ensure that the paper in Tray 2 is properly installed and that the tray side and end guides are
positioned to touch the paper in the tray.
Procedure
Switch off the power. Disconnect the Power Cord. Remove the Size Switch PWB (PL 13.3).
Place the Size Switch PWB so that it does not short circuit to the machine frame. Connect the
Power Cord. Disconnect PJ 235 from the Size Switch PWB. Switch on the power. There is +5
VDC from J 235 pin 1 to machine ground.
Y
N
Go to Flag 2. Check the wires for an open or a short circuit to ground. The wires are
good.
Y
N
Repair the wires.
Replace the MCU PWB (PL 11.2).
Connect PJ 235 on the Size Switch PWB. Actuate and hold switches SW1 and SW3 on the
Size Switch PWB. There is +1.57 ±0.10 VDC from J 235 pin 2 to machine ground.
Y
N
Go to Flag 1. Check the wires for an open or a short circuit to ground. The wires are
good.
Y
N
Repair the wires.
Replace the Size Switch PWB (PL 13.3).
Actuate and hold switches SW2 and SW4 on the Size Switch PWB. There is +3.13 ±0.10
VDC from J 235 pin 2 to machine ground.
Y
N
Go to Flag 1. Check the wires for an open or a short circuit to ground. The wires are
good.
Y
N
Repair the wires.
Replace the Size Switch PWB (PL 13.3).
Replace the MCU PWB (PL 11.2).
Table 1 Tray 2 Size Sensing Switch PWB
PAPER SIZE
PAPER SIZE SW
ANALOG
VOLTAGE OUT
SW1
SW2
SW3
SW4
Tray Out
OFF
OFF
OFF
OFF
(+) 4.76 VDC
Ledger (SEF)
OFF
ON
OFF
OFF
(+) 3.45 VDC
A3 (SEF)
ON
OFF
ON
OFF
(+) 1.57 VDC
Letter (LEF)
OFF
ON
ON
ON
(+) 2.49 VDC
B5 (LEF)
OFF
ON
OFF
ON
(+) 3.13 VDC
Legal (SEF)
OFF
OFF
ON
OFF
(+) 4.09 VDC
A4 (LEF)
OFF
OFF
ON
ON
(+) 3.77 VDC
B4 (SEF)
OFF
ON
ON
OFF
(+) 2.81 VDC
A
A
Summary of Contents for Phaser 790
Page 4: ...10 00 ii Phaser 790 DocuColor 2006 Initial Issue Introduction...
Page 10: ...10 00 1 2 Phaser 790 DocuColor 2006 Initial Issue Service Call Procedures...
Page 46: ...10 00 2 32 Phaser 790 DocuColor 2006 002 702 Initial Issue Status Indicator RAPs...
Page 80: ...10 00 2 66 Phaser 790 DocuColor 2006 005 704 Initial Issue Status Indicator RAPs...
Page 130: ...10 00 2 116 Phaser 790 DocuColor 2006 007 713 Initial Issue Status Indicator RAPs...
Page 150: ...10 00 2 136 Phaser 790 DocuColor 2006 008 707 Initial Issue Status Indicator RAPs...
Page 180: ...10 00 2 166 Phaser 790 DocuColor 2006 009 704 Initial Issue Status Indicator RAPs...
Page 193: ...10 00 2 179 Phaser 790 DocuColor 2006 010 700 Status Indicator RAPs Initial Issue...
Page 204: ...10 00 2 190 Phaser 790 DocuColor 2006 010 705 Initial Issue Status Indicator RAPs...
Page 220: ...10 00 2 206 Phaser 790 DocuColor 2006 011 706 Initial Issue Status Indicator RAPs...
Page 226: ...10 00 2 212 Phaser 790 DocuColor 2006 016 370 Initial Issue Status Indicator RAPs...
Page 234: ...10 00 3 2 Phaser 790 DocuColor 2006 Initial Issue Image Quality...
Page 245: ...10 00 3 13 Phaser 790 DocuColor 2006 IQ8 Image Quality Initial Issue...
Page 254: ...10 00 3 22 Phaser 790 DocuColor 2006 IQ18 Initial Issue Image Quality...
Page 258: ...10 00 4 4 Phaser 790 DocuColor 2006 Initial Issue Repairs and Adjustments...
Page 268: ...10 00 4 14 Phaser 790 DocuColor 2006 REP 1 13 Initial Issue Repairs and Adjustments...
Page 276: ...10 00 4 22 Phaser 790 DocuColor 2006 REP 4 9 REP 4 10 Initial Issue Repairs and Adjustments...
Page 290: ...10 00 4 36 Phaser 790 DocuColor 2006 REP 5 10 Initial Issue Repairs and Adjustments...
Page 312: ...10 00 4 58 Phaser 790 DocuColor 2006 REP 7 8 Initial Issue Repairs and Adjustments...
Page 366: ...10 00 4 112 Phaser 790 DocuColor 2006 REP 9 22 REP 9 23 Initial Issue Repairs and Adjustments...
Page 382: ...10 00 4 128 Phaser 790 DocuColor 2006 REP 10 19 Initial Issue Repairs and Adjustments...
Page 420: ...10 00 4 166 Phaser 790 DocuColor 2006 ADJ 11 1 Initial Issue Repairs and Adjustments...
Page 512: ...03 01 6 2 Phaser 790 DocuColor 2006 General Procedures and Information...
Page 534: ...03 01 6 24 Phaser 790 DocuColor 2006 GP 23 General Procedures and Information...
Page 546: ...03 01 6 36 Phaser 790 DocuColor 2006 General Procedures and Information...
Page 548: ...10 00 7 2 Phaser 790 DocuColor 2006 Initial Issue Wiring Data...
Page 586: ...10 00 7 40 Phaser 790 DocuColor 2006 Initial Issue Wiring Data BSD 1 1 Figure 1 Main Power On...
Page 592: ...10 00 7 46 Phaser 790 DocuColor 2006 Initial Issue Wiring Data BSD 2 1 Figure 1 Control Panel...
Page 607: ...10 00 7 61 Phaser 790 DocuColor 2006 Wiring Data Initial Issue BSD 5 4 Figure 1 Document Exit...
Page 612: ...10 00 7 66 Phaser 790 DocuColor 2006 Initial Issue Wiring Data BSD 6 5 Figure 1 Image Input...
Page 627: ...10 00 7 81 Phaser 790 DocuColor 2006 Wiring Data Initial Issue BSD 8 6 Figure 1 Registration...
Page 641: ...10 00 7 95 Phaser 790 DocuColor 2006 Wiring Data Initial Issue BSD 10 1 Figure 1 Fusing...