Brother MFC-J2310

Confidential
2-71

Random missing dots
 White horizontal streaks
User Check
- Carry out head cleaning.
- Replace the ink cartridge.
Step Cause Solution
1 Maintenance unit stained Clean the maintenance unit (refer to Section 4.3.2 in
this Chapter.)
2 Non-discharge of ink from head Perform the recommended purge procedures.
Refer to "Recommended purge procedures" in
Chapter 5, Section 1.3.29 "Purge Operation
(Maintenance mode 76)."
3 Carriage PCB defective Replace the carriage PCB ASSY.
4 Maintenance unit defective Replace the maintenance unit.
5 Head defective Replace the head/carriage unit.
6 Main PCB defective Replace the main PCB ASSY.
User Check
- Check if it is not in draft mode.
- Carry out head cleaning.
Step Cause Solution
1 Maintenance unit stained Clean the maintenance unit (refer to Section 4.3.2 in
this Chapter.)
2 Paper feeding correction not
updated
Update paper feed correction (refer to Chapter 5,
Section 1.3.19.)
3 Head inclination is not correctly
adjusted.
Adjust the head inclination (refer to Chapter 4,
Section 2.4.)
4 PF encoder disk stained Clean the PF encoder disk and flushing guide (refer
to Chapter 3, Section 1.)
5 Non-discharge of ink from head Perform the recommended purge procedures.
Refer to "Recommended purge procedures" in
Chapter 5, Section 1.3.29 "Purge Operation
(Maintenance mode 76)."
6 PF encoder disk defective Replace the PF encoder disk.
7 Carriage PCB defective Replace the carriage PCB ASSY.
8 Maintenance unit defective Replace the maintenance unit.
9 Head defective Replace the head/carriage unit.
10 Main PCB defective Replace the main PCB ASSY.