Brother MFC Series Service Manual page 89

■ Ink splash
Step
1
Maintenance unit stained
2
The head property value is
incorrect
3
Carriage PCB defective
4
Maintenance unit defective
5
Head defective
6
Main PCB defective
■ Print edges not aligned
Step
1
Vertical print lines not aligned
2
Head inclination is not adjusted Adjust the head inclination.
3
CR encoder strip stained
4
CR encoder strip defective
5
Head defective
6
Main PCB defective
<User Check>
- Replace the Ink cartridge.
Cause
Clean the Maintenance unit.
(Refer to
Enter the head property value.
(Refer to
Replace the Carriage PCB ASSY.
Replace the Maintenance unit.
Replace the Head/carriage unit.
Replace the Main PCB ASSY.
<User Check>
- Check if the recording paper used is according to
specifications.
- Perform the printing position adjustment.
Cause
Adjust vertical print line alignment.
(Refer to
(Refer to
Clean the CR encoder strip.
Replace the CR encoder strip.
Replace the Head/carriage unit.
Replace the Main PCB ASSY.
2-57
Solution
Section 4.3.2 in this chapter)
Chapter 5, Section 1.4.22)
Solution
Chapter 5, Section 1.4.20)
Chapter 4, Section 2.4)
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