Brother MFC-9560CDW - Hollow Print

2-125
Confidential
■ Unstable color density
■ Hollow print
<User Check>
- Make a print on a different type of paper.
- Replace the belt unit with a new one.
- Replace the drum unit with a new one.
- Replace the waste toner box with a new one.
- Replace the toner cartridge with a new one.
Step Cause Remedy
1 Dirt on drum unit electrode Clean the electrodes of the drum unit and
main body. (Refer to Fig. 2-10 (P2-62) and
Fig. 2-13 (P2-63))
2 Dirt on toner cartridge
electrode
Clean the electrodes of the toner cartridge
and main body. (Refer to Fig. 2-10 (P2-62)
and Fig. 2-13 (P2-63))
3 Dirt on belt unit electrode Clean the electrodes of the belt unit and main
body. (Refer to Fig. 2-11 (P2-62) and
Fig. 2-13 (P2-63))
4 Engine PCB failure Replace the engine PCB ASSY.
5 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
6 Laser unit failure Replace the laser unit.
7 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Select “Improve Toner Fixing” in the printer driver, or select “Thicker
Paper” in Paper Type.
- Check the machine’s environment, conditions such as high humidity
and low humidity may cause this situation to occur.
- Make a print on a different type of paper.
- Refer to the User’s guide and remove the dirt on the exposure drum
using a cotton swab.
- Replace the drum unit with a new one.
- Replace the toner cartridge with a new one.
Step Cause Remedy
1 Dirt on the pinch roller of the
paper tray
Refer to Fig. 2-18 (P2-121) and clean the
pinch roller.
2 Exposure drum dirty Refer to "2.5 Drum Cleaning" in Chapter 5
and perform drum cleaning.
3 Fuser unit failure Replace the fuser unit.