Image Quality Trouble; Printer Related Troubleshooting; Image Quality Symptoms - Lexmark X940e Service Manual

Image quality trouble

Printer Related Troubleshooting

Note: First, get a printout as a base, and follow the symptom table to identify the possible failing FRU's.

Image quality symptoms

•
Faint print (low contrast)–
•
Blank print (no print)–
•
Solid black–
•
Vertical blank lines (White stripes in media transport direction)–
direction)" on page
•
Horizontal
•
Vertical stripes–
•
Horizontal stripes–
•
Partial lack–
•
Spots– "Spots" on page
•
Afterimage–
•
Background (fog)–
•
Skew–"Skew" on page
•
Media damage–
•
fuse–"No fuse" on page
No
•
Color mis-registration–Go to
•
Deletions–Go to
•
High frequency bands–Go to
Note: When horizontal lines and/or spots occur periodically, it is possibly caused by a particular roll. In this
case, measure the interval on the print test, and check the relation to the roll in the printer. The interval does not
necessarily match circumference of the roll.
"Faint print (Low contrast)" on page
"Blank print (no print)" on page
"Solid black" on page
2-213.
band–"Horizontal white stripes or bands (side to side direction)" on page 2-215
"Vertical stripes (process direction)" on page
"Horizontal stripes (side to side direction)" on page
"Partial lack" on page
2-223.
"After image" on page
"Background (fog)" on page
2-228.
"Media damage" on page
2-232.
"Color misregistration" on page
"Deletions" on page
"High frequency bands" on page
2-210.
2-212.
2-221.
2-224.
2-226.
2-230.
2-234.
2-208.
"Vertical lines and bands (process
2-217.
2-219.
2-233.
2-235.
Diagnostic information
7510
2-207