Flatbed scanner image quality check
Actions Yes No
Step 1
Check the ADF cushion for dust, crease marks, or damage, and replace if
necessary.
Does the problem remain?
Go to step 2. The problem is solved.
Step 2
a Make sure that the scanner glass is free of debris or dust.
b Check the glass for proper alignment, and adjust if necessary.
c Check the glass for damage, and replace if necessary.
Does the problem remain?
Go to step 3. The problem is solved.
Step 3
Reset the printer, and then check the scanner lamp for movement.
Does the scanner lamp move smoothly?
Go to step 7. Go to step 4.
Step 4
a Make sure that the sensor (scanner lamp home) is installed properly.
b Check the sensor for damage, and replace if necessary.
Does the problem remain?
Go to step 5. The problem is solved.
Step 5
Check the motor (scanner) for damage, and replace if necessary.
Does the problem remain?
Go to step 6. The problem is solved.
Step 6
a Check the scanner motor belt for proper tension, and adjust if
necessary.
b Check the gear and belt for wear or damage, and replace if necessary.
Does the problem remain?
Go to step 7. The problem is solved.
Step 7
a Make sure that the scanner lamp cable and connectors are properly
installed.
b Check the cable and connectors for damage, and replace if necessary.
Does the problem remain?
Go to step 8. The problem is solved.
Step 8
a Make sure that the scanner lamp is properly installed.
b Check the lamp for damage, and replace if necessary.
Does the problem remain?
Go to step 9. The problem is solved.
7421
Diagnostic information
60
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