Brother MFC-J6935DW - Page 111

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