A5 Level Of First Side Cis Scan Result Is Detected As Abnormal During Fax; A6 Level Of First Side Cis Scan Result Is Detected As Abnormal During Fax; Type Of Cis Unit And Cis Type Input Value Does Not Match; Matching Of Color Parameter Fails - Brother MFC-J3520 Service Manual

Error Code A5

Unable to Scan A5
Level of first side CIS scan result is detected as abnormal during FAX transmission
(first transmission.)
Error Code A6

Unable to Scan A6
Level of first side CIS scan result is detected as abnormal during FAX transmission
(after re-try.)
Step
1 White level data failure
2 White reference tape stained
3 First side CIS unit defective
4 White reference tape damage,
broken
5 Main PCB defective
Error Code A7

Unable to Scan A7

Type of CIS unit and CIS type input value does not match.

Step
1 First side or second side CIS
type input value error
2 Main PCB defective
Error Code A8

Unable to Scan A8

Matching of color parameter fails.

User Check
- Turn the power OFF and ON.
Step
1 Program malfunctioning
2 Main PCB defective
Cause
Carry out maintenance 55 to obtain white level
data.
Clean document cover glass at white reference
tape.
Replace the first side CIS unit.
Replace the document scanner unit.
Replace the main PCB ASSY.
Cause
Automatically identify the first side or second
side CIS type input value (refer to
Section 1.3.20 "Checking of CIS Travel and
Setting of CIS
Replace the main PCB ASSY.
Cause
Re-load the firmware.
Replace the main PCB ASSY.
2-47
Solution
Solution
Chapter 5,
Type.")
Solution
LCD
LCD
LCD
LCD
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