Table of Contents
Advertisement
Replacement Procedure:
1.
Do "Head-Cleaning" 3 times.
2.
Do "Head-Flushing" 1 time.
3.
Replace the print head.
4.
Replace the control board.
Vertical bands missing
Description: One or more of the following:
• Image on the left edge of the paper appears masked
• mage in the middle of the paper appears masked
• Parts of the image area missing and streaked
Probable Cause: Change in the 1st registration sensor signal is weak, encoder is dirty.
Location: 1st registration sensor, control board, encoder film strip (horizontal)
Service Center Procedure:
1.
Print a Nozzle Check Pattern and check the results.
2.
Check the amount of line feed during printing.
3.
Do "Head-Cleaning" 3 times .
4.
Do "Head-Flushing" 1 time.
5.
Adjust line feed.
Replacement Procedure:
1.
Do "Head-Cleaning" 3 times.
2.
Do "Head-Flushing" 1 time.
3.
Replace encoder sensor.
4.
Replace horizontal encoder film strip.
5.
Replace control board.
Nozzles not firing, cannot recover
Description: Neither head cleaning nor head flushing can recover operation of the print head nozzles.
Probable Cause: Suction cap, print head defective.
Location: Maintenance unit, print head
Service Center Procedure:
1.
Do a Nozzle Check print and check the results.
Other Problems
3
41
Advertisement
Table of Contents
