Diagnostic information 2-61
7100-XXX
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 “Upper right rear cover
removal” on page 4-17.
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