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Power-On Self Test (POST) sequence
When you turn the printer on, it performs a Power-On Self Test. Check for correct POST functioning by
observing the following:
1.
The printer LED (green light) turns on.
2.
The operator panel turns on.
3.
The operator panel displays counting the memory.
4.
The operator panel displays a progression bar with the Lexmark splash logo.
5.
You can hear the scanner doing a scanner calibration.
6.
You can hear the printer starting up. It takes the printer longer to start up from a cold start rather than from
a warm start.
Symptom tables
The tables in this section provide detailed troubleshooting information.
The power does not come on.
Frequent paper jam, double feed, or skew
Image does not appear
Image unclear
Large jitter
Reading position deviation
Strange sound generated (ADF)
Strange sound generated (flatbed)
Reading is not performed
Cause
ADF cover open
Scan module does not move to home position
Cause
Carrier is in locked position
2-2
Service Manual
Go to
"The power does not come on" on page
Go to
"Frequent paper jam, double feed, or skew" on
page
2-13.
Go to
"Image does not appear" on page
Go to
"Image unclear" on page
Go to
"Large jitter" on page
Go to
"Reading position deviation" on page
Go to
"Strange sound generated (ADF)" on page
Go to
"Strange sound generated (flatbed)" on page
Relevant unit
Check
ADF cover
Visual check
Relevant Unit
None
2-14.
2-14.
Action
Close the ADF cover.
Check
Action
Visual check
Unlock carrier
2-13.
2-13.
2-14.
2-14.
2-15.
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