Brother MFC-9320CW Service Manual page 165

■ Hollow print
<User Check>
- Select "Improve Toner Fixing" in the printer driver, or select "Thicker
- Check the machine's environment, conditions such as high humidity and
- Make a print on a different type of paper.
- Replace the drum unit with a new one.
- Replace the toner cartridge with a new one.
Step Cause
1 Fuser unit failure
Paper" in Paper Type.
low humidity may cause this situation to occur.
Is the problem solved
after replacing the fuser
unit?
3-84
Check
Result
Yes
Remedy
Replace the fuser unit.
Confidential