Confidential
2-53
Error Code AC
Level of second side CIS scan result is detected as abnormal during FAX transmission (First
transmission.)
Error Code AF
CIS positioning abnormal (Home position cannot be found.)
Unable to Scan AC
LCD
Step
Cause
Solution
1
White level data failure
Carry out maintenance 55 to obtain white label data.
2
White reference film stained
Clean the white reference film of the document
scanner unit.
3
Second side CIS unit defective
Replace the second side CIS unit.
4
White reference film damage,
broken
Replace the document scanner unit.
5
Main PCB defective
Replace the main PCB ASSY.
Unable to Scan AF
LCD
Step
Cause
Solution
1
Scanner belt out of place
Set the scanner belt into place.
2
Scanner motor harness connection
failure
Reconnect the scanner motor harness.
3
First side CIS flat cable
connection failure
Reconnect the first side CIS flat cable.
4
Black reference film stained
Clean document cover glass at black reference film.
5
First side CIS flat cable defective
Replace the first side CIS flat cable.
6
First side CIS unit defective
Replace the first side CIS unit.
7
Scanner motor defective
Replace the document scanner unit.
8
Main PCB defective
Replace the main PCB ASSY.
Содержание Business Smart MFC-J4510dw
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Страница 325: ...5 46 Confidential Software Correction for Inclination Corrugation Ruled Lines Check Pattern ...
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