Technical information

4-11
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. Page 4-26.
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. Page 4-27.
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. Page 4-28.
Initial identification of problems.
Procedures for processing communication problems.