Distortion Service Check; Horizontal Voids Service Check - Lexmark Optra C Service Manual

Distortion Service Check

FRU
1 Poor
connection
2 Laser/scanner
unit
DC controller
PCB
Horizontal
Voids
FRU
1 Photoconductor
or
toner cartridge
2 Laser /
Scanner unit
Action
Is the connection good between DC controller PCB
connector J208 and connectors J102, J110 and
J111?
Is the connection good between laser/scanner unit
and DC controller connectors J401, J402, J451 and
J701? Replace and check in the following order:
1 Laser/scanner unit
2 DC controller PCB, see "DC Controller Board
Information" on page 2-2.
Service Check
Action
If a white horizontal line appears in a repeating
pattern, see "Spacing Table Service Check" on page
2-69 and repair or replace the indicated part.
If a white horizontal line appears randomly, clean the
small 1/4 inch square (10 mm) beam detect mirror in
the printhead, or replace the assembly.
Diagnostic Information 2-67