Brother HL-4150CDN - Print Crease

2-110
Confidential
■ Print crease
■ Spots at the rear edge of paper
Fig. 2-15
<User Check>
- Check the printer’s environment. This symptom occurs when the
printer is used in the high humidity environment.
- Change the paper to thick paper.
- Check if paper is not damp.
Step Cause Remedy
1 The pressure of the pressure
roller is high
Change the position of the PR arm covers.
(Refer to the figure below.)
2 Fuser unit failure Replace the fuser unit.
<User Check>
- Check the printer’s environment. This symptom occurs when the
printer is used in the high humidity environment.
Step Cause Remedy
1 The pressure of the pressure
roller is high
Change the position of the PR arm covers.
(Refer to the figure below.)
2 Fuser unit failure Replace the fuser unit.
PR arm cover
PR arm cover
Envelope lever
Envelope lever
<Back side>