TECO UA1610, Service Manual

Page: 311 / 388

T-24
5-3. Troubleshooting for Specific Image Quality Problems
• Determine if the failure is attributable to the input system (Image Reading Section) or the
output system (Engine section).
(1) Image reading system: Blank or black prints
<Sample of Image Quality Problem>
<Troubleshooting Procedures>
Check Result Cause
Copy made at a reduced
zoom ratio
Input (image
reading) system
Output (printer)
system
Step Check Result Action
1 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.
2 Does the Exposure Lamp light up? NO Replace the Scanner Assy.
1177T03YA
1177T04YA
Full-size copy Reduced copy
1177T05YA
Full-size copy Reduced copy
4011T035AA 4011T036AA
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