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.
Summary of Contents for Business Smart MFC-J4510dw
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Page 51: ...Confidential 2 14 Error Code Contents Refer to page FE ROM data acquisition error 2 57 ...
Page 130: ...3 3 Confidential 2 PACKING 3_131_E ...
Page 153: ...3 26 Confidential 3 Set the protective part 3_002_E Protective part ...
Page 265: ...4 11 Confidential ADF Copy Chart A B C ...
Page 292: ...5 13 Confidential Scanning Compensation Data List ...
Page 294: ...5 15 Confidential Test Pattern ...
Page 317: ...5 38 Confidential pfadj1 Pattern ...
Page 318: ...5 39 Confidential pfadj2 Pattern ...
Page 324: ...5 45 Confidential Vertical Lines Check Pattern ...
Page 325: ...5 46 Confidential Software Correction for Inclination Corrugation Ruled Lines Check Pattern ...