PC-D320/PC-D340/FAX-L400 Chapter 4: Maintenance and Service
4-10
• Scanning problems (Evaluation criteria: Test printing is good, but the
copied image is poor.)
• The document is not fed. Page 4-34
The document feed motor does not run.
The document slips against the rollers.
The document does not separate.
The scanner unit’s sensors are defective.
• The scanning image is abnormal. Page 4-34
Noting is printed.
The image has vertical stripes.
The image has thick vertical stripes.
• The contact sensor operation is faulty. Page 4-35
The CS drive motor does not run.
The CS home position sensor is defective.
• Test mode function problems
• Faulty control panel test. Page 4-36
The LCD panel does not display correctly.
The LED lamp fails to go ON.
The keys on the operation panel fails to work properly.
• Faulty contact sensor test. Page 4-36
The LED of the contact sensor fails to go ON properly.
• Faulty DRAM test. Page 4-36
The indication “READ & COMPARE NG” appears.
• Faulty sensor test. Page 4-36
DES sensor fails to operate properly.
DS sensor fails to operate properly.
Recording paper sensor fails to operate properly.
Cartridge cover sensor fails to operate properly.
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