Brother HL-J6000DW Service Manual page 111

■ Ink splash, stained
Step
1 Maintenance unit stained
2 Platen stained
3 Wrong head property
information
4 Carriage PCB defective
5 Maintenance unit defective
6 Head defective
7 Main PCB defective
■ Print edges not aligned
Step
1 Vertical print lines not aligned
2 Head inclination is not correctly
adjusted.
3 CR encoder strip stained
4 CR encoder strip defective
5 Carriage PCB defective
6 Head defective
7 Main PCB defective
Cause
Clean the maintenance unit.
(refer to
Clean the platen.
Input the head property information. (refer to
Chapter 5, Section 1.3.24 "Updating of Head
Property Information and Backup/Restoration of
Head Calibration Data (Maintenance mode
Replace the carriage PCB ASSY.
Replace the maintenance unit.
Replace the head/carriage unit.
Replace the main PCB.
< User Check >
- Check whether the recording paper being used is within
the specification.
- Perform the printing position adjustment.
Cause
Adjust vertical print line alignment. (refer to
Chapter 5, Section 1.3.22 "Adjustment of
Software Correction for Inclination/Corrugation/
Ruled Lines (Maintenance mode
Adjust the head inclination.
(refer to
inclination")
Clean the CR encoder strip.
Replace the CR encoder strip.
Replace the carriage PCB ASSY.
Replace the head/carriage unit.
Replace the main PCB.
2-71
Solution
Fig. 2-11 (2-68))
Solution
Chapter 4, Section 2.4 "Adjust head
68)")
65)")
Confidential