2-50 Service Manual
4500–E220/E321/E323
Printhead error
Indicates a problem with the printhead. Check cables to the
printhead. Replace the printhead as necessary. See “Printhead
assembly ” on page 4-2 for realignment procedures.
Ready/Data
Press Continue
Toner Low
Load/
Remove Paper
Paper Jam
Error
Ready/Data
Press Continue
Toner Low
Load/
Remove Paper
Paper Jam
Error
Primary Code Secondary Code
Tertiary Codes
Ready/Data
Press Continue
Toner Low
Load/
Remove Paper
Paper Jam
Error
Mirror motor not at operating
speed (935). (Verify +24 V dc
on pin #5 of J7.) (935)
Mirror motor lost lock (934).
Mirror motor locked, no hsync received
(933).
Printhead–lost hsync (932).
Printhead–no first hsync (931).
(Verify interlock switch is plugged in at J6.)
Printhead–wrong printhead installed (930).
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