Lexmark 4500-00 Series Service Manual page 83

Engine circuitry failure (controller card)
Indicates a failure in the engine circuitry portion of the controller
card.
Primary Code
Ready/Data
Toner Low
Load/
Remove Paper
Paper Jam
Error
Press Continue
Tertiary Codes
Ready/Data
Toner Low
Load/
Remove Paper
Paper Jam
Error
Press Continue
Delay line calibration failure (949).
Pel clock check failure (948).
(947)
• PQET RAM test incomplete.
• PQET RAM test did not complete.
• PQET RAM test failed MARCH0.
• PQET RAM test failed MARCH1.
• PQET RAM test busy failure.
4500–E220/E321/E323
Secondary Code
Ready/Data
Toner Low
Load/
Remove Paper
Paper Jam
Error
Press Continue
Diagnostic information
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