Brother MFC-J3520 Service Manual

Confidential
2-47

Error Code A5
Level of first side CIS scan result is detected as abnormal during FAX transmission
(first transmission.)
 Error Code A6
Level of first side CIS scan result is detected as abnormal during FAX transmission
(after re-try.)
 Error Code A7
Type of CIS unit and CIS type input value does not match.
 Error Code A8
Matching of color parameter fails.
User Check
- Turn the power OFF and ON.
Unable to Scan A5 LCD
Unable to Scan A6 LCD
Step Cause Solution
1 White level data failure Carry out maintenance 55 to obtain white level
data.
2 White reference tape stained Clean document cover glass at white reference
tape.
3 First side CIS unit defective Replace the first side CIS unit.
4 White reference tape damage,
broken
Replace the document scanner unit.
5 Main PCB defective Replace the main PCB ASSY.
Unable to Scan A7 LCD
Step Cause Solution
1 First side or second side CIS
type input value error
Automatically identify the first side or second
side CIS type input value (refer to Chapter 5,
Section 1.3.20 "Checking of CIS Travel and
Setting of CIS Type.")
2 Main PCB defective Replace the main PCB ASSY.
Unable to Scan A8 LCD
Step Cause Solution
1 Program malfunctioning Re-load the firmware.
2 Main PCB defective Replace the main PCB ASSY.

Brother MFC-J3520 Specifications

General

Print Technology	Inkjet
Duplex Printing	Yes
Fax Modem Speed	33.6 kbps
Functions	Print, Copy, Scan, Fax
Standard Paper Capacity	250 sheets
Mobile Printing	Yes
Max Print Resolution	6000 x 1200 dpi
Scanner Type	Flatbed + ADF
Max Scan Resolution	1200 x 2400 dpi
Connectivity	USB, Ethernet, Wi-Fi
Automatic Document Feeder (ADF)	Yes
Ink Cartridges	Black, Cyan, Magenta, Yellow
Print Speed (Black)	Up to 35 ppm (draft), 12 ppm (ISO)
Print Speed (Color)	27 ppm
Display	2.7" Touchscreen Color LCD