T-29
(4)
Image reading system: Black streaks or bands
<Sample of Image Quality Problem>
<Troubleshooting Procedures>
Step
Check
Result
Action
1
Is the document damaged or dirty?
YES
Replace the document.
2
Is the Original Pad dirty?
YES
Clean it.
3
Does the Original Cover not lie flat?
YES
If the Original Cover is deformed
or the hinges are damaged,
replace the Original Cover.
4
Is the surface of the Original Glass dirty?
YES
Clean it.
5
Are the Shading Sheet or back surface
of the Original Glass dirty?
YES
Clean them.
6
Are the mirror or lens dirty?
YES
Clean them.
Replace the Scanner Assy.
7
Is the Exposure Lamp dirty?
YES
Clean it.
Replace the Scanner Assy.
8
Are there no bent connector pins on the
cables connecting the control boards,
are all connectors correctly plugged in,
and are no cables broken?
NO
Correctly plug in the connectors.
Replace connection cables.
4011T017AA
4011T023AA
Содержание Di1610
Страница 16: ...GENERAL...
Страница 24: ...MAINTENANCE...
Страница 34: ...DIS REASSEMBLY ADJUSTMENT...
Страница 82: ...CONTROL PANEL SERVICE MODE DESCRIPTIONS...
Страница 86: ...S 4 2 3 PWB IF Interface Board 4980S004AA USB port IEEE1284 parallel port...
Страница 106: ...TROUBLESHOOTING...
Страница 114: ...T 8 2 3 Locations of Misfeed Detection Sensors 4980M005AA Exit Sensor PS1 Paper Take Up Switch S1...
Страница 146: ...AF 11 Service Manual...
Страница 148: ...ii 1 The Original misfeeds T 7 3 TIMING CHART T 8...
Страница 149: ...GENERAL...
Страница 151: ...DIS REASSEMBLY ADJUSTMENT...
Страница 167: ...TROUBLESHOOTING...
Страница 176: ...PF 125 Service Manual...
Страница 178: ...GENERAL...
Страница 180: ...DIS REASSEMBLY ADJUSTMENT...