Lexmark C510 Service Manual - Page 197
Vertical staggering image service check, Diagnostic information
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Vertical staggering image service check 5021-0XX Printed image staggers in vertical direction. Problem area 1 Printer vibration 2 Laser unit assembly (printhead) Action Check for printer vibrations or shock to printer. Optical unit failure caused by vibration from scanner motor rotation. Replace laser unit assembly. See "Laser unit assembly (printhead) removal" on page 4-24. Diagnostic information 2-119
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Diagnostic information
2-119
5021-
0XX
Vertical staggering image service check
Printed image staggers in vertical direction.
Problem area
Action
1
Printer vibration
Check for printer vibrations or shock
to printer.
2
Laser unit assembly
(printhead)
Optical unit failure caused by
vibration from scanner motor rotation.
Replace laser unit assembly. See
“Laser unit assembly (printhead)
removal” on page 4-24
.