Konica Minolta PagePro 1390 MF - Manual (Page 134)

T-24
6-3. 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
<Typical Faulty Image>
<Troubleshooting Procedure>
Check Result Cause
Copy made at a reduced
zoom ratio
Input (image
reading) system
Output (engine)
system
Step Check Result Action
1 Are there any bent connector pins on the
cables connecting the control boards,
are any connectors incorrectly plugged
in, or are any cables broken? YES Correctly plug in the connectors.
Replace the connection cables.
2 Does the Exposure Lamp light up? NO Replace the Scanner Unit.
1177T03YA
1177T04YA
Full-size copy Reduced-size copy
1177T05YA
Full-size copy Reduced-size copy
4011T035AA 4011T036AA