Brother MFC Series Service Manual page 93

■ Separated lines at the trailing edge of the recording paper
Step
1
Paper feeding correction not
aligned
2
PF encoder disk stained
3
Non-discharge of ink from
head
4
PF encoder disk defective
5
Main PCB defective
■ Characters have shadows (ghost)
VWXYZ
Step
1
Vertical print lines not aligned
2
Paper feeding correction not
aligned
3
PF encoder disk stained
4
CR encoder strip stained
5
Platen or CR guide rail not
mounted in place
6
PF encoder disk defective
7
CR encoder strip defective
8
Head defective
9
Main PCB defective
<User Check>
- Carry out head cleaning.
Cause
Perform paper feeding correction.
(Refer to
Adjust the AMS06.
(Refer to
Clean the PF encoder disk and flushing guide.
(Refer to
Carry out the recommended purge procedures.
Refer to "Recommended purge procedures" in
"Chapter 5, Section 1.4.26 "Purge Operation
(Maintenance mode 76)"
Replace the PF encoder disk.
Replace the Main PCB ASSY.
<User Check>
- Carry out head cleaning.
- Perform the printing position adjustment.
Cause
Adjust vertical print line alignment.
(Refer to
Perform paper feeding correction.
(Refer to
Clean the PF encoder disk and flushing guide.
(Refer to
Clean the CR encoder strip.
Reattach the Platen or CR guide rail.
Replace the PF encoder disk.
Replace the CR encoder strip.
Replace the Head/carriage unit.
Replace the Main PCB ASSY.
2-61
Solution
Chapter 5, Section 1.4.17)
Chapter 5, Section 1.4.32)
Chapter 3, Section 1)
Solution
Chapter 5, Section 1.4.20)
Chapter 5, Section 1.4.17)
Chapter 3, Section 1)
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