Canon SmartBase MPC400 Service Manual page 95

SmartBase MPC600F/MPC400 Chapter 4: Maintenance & Service
• Scanning problem (Evaluation criteria: Test printing is good, but the copied image is no
good.)
• The document is not fed.
The document feed motor does not run.
The document slips against the rollers.
The document does not separate.
Faulty scanner unit's sensors
• The scanning image is abnormal.
Nothing is printed.
The image has vertical stripes.
The half-tone image contains black dots.
The color or brightness of the scanned image is not normal.
• Processing communication problems.
Initial identification of problems.
Procedures for processing communication problems.
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