Brother MFC-J6520DW - Page 98

Confidential
2-64
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Light
 Dark
User Check
- Check whether the recording paper being used is within
the specification.
- Check whether the paper type setting is correct.
- Carry out head cleaning.
- Replace the ink cartridge.
Step Cause Solution
1 Maintenance unit stained Clean the maintenance unit (refer to Fig. 2-10
(2-62).)
2 Wrong head property value Input the head property value (refer to Chapter
5, Section 1.3.25 "Updating of Head Property
Data and Backup/Restoration of Head
Calibration Data.")
3 Head calibration uncompleted Write the head calibration data (refer to Chapter
5, Section 1.3.2 "Creating of Head Calibration
Data and Writing it into Flash ROM.")
4
Non-discharge of ink from
head
Perform the recommended purge procedures.
(refer to the recommended procedures in
Chapter 5, Section 1.3.29 "Purge Operation
(Maintenance mode 76)".
5 Carriage PCB defective Replace the carriage PCB ASSY.
6 Maintenance unit defective Replace the maintenance unit.
7 Head defective Replace the head/carriage unit.
8 Main PCB defective Replace the main PCB ASSY.
User Check
- Check whether the paper type setting is correct.
Step Cause Solution
1 Maintenance unit stained Clean the maintenance unit (refer to Fig. 2-10
(2-62).)
2 Wrong head property value Input the head property value (refer to Chapter
5, Section 1.3.25 "Updating of Head Property
Data and Backup/Restoration of Head
Calibration Data.")
3 Head calibration uncompleted Write the head calibration data (refer to Chapter
5, Section 1.3.2 "Creating of Head Calibration
Data and Writing it into Flash ROM.")
4 Carriage PCB defective Replace the carriage PCB ASSY.
5 Maintenance unit defective Replace the maintenance unit.
6 Head defective Replace the head/carriage unit.
7 Main PCB defective Replace the main PCB ASSY.