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Troubleshooting
7
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7.7 Image Troubleshooting
The Image abnormalities of the printer refer to the service manual of the
printer and perform the Troubleshooting.
Trouble Remedy
Black or blank print • Check the Projection Lamp (LA1) for
possible discoloration and breaks.
• Adjust the Projection Lamp voltage (F7).
• N-P/P-P AE Coarse adjustment (o1, o2).
• Perform the Shading correction (b6).
• Replace the PWB-A.
• Replace the PWB-BB.
Black or white line in the feed direction • Clean the Scanner 1st to 3rd Mirrors.
• Clean the CCD Cover glass.
• Perform the Shading correction (b6).
• Replace the PWB-A.
• Replace the PWB-BB.
Black or white line in the scan direction • Clean the Scanner 1st to 3rd Mirrors.
• Clean the CCD Cover glass.
• Perform the Shading correction (b6).
• Replace the PWB-A.
• Replace the PWB-BB.
Uneven image • Clean the CCD Cover glass.
• Perform the Shading correction (b6).
• Adjust the Projection Lamp voltage (F7).
• N-P/P-P AE Coarse adjustment (o1, o2).
• Replace the PWB-A.
• Replace the PWB-BB.