Brother MFC-7360 User Manual

Page of 153
Troubleshooting
97
B
 
Gray background
Make sure that you use paper that meets our specifications. (See 
Acceptable paper and other print media on page 17.)
Check the machine’s environment. Conditions such as high 
temperatures and high humidity can increase the amount of 
background shading. (See Safety and Legal booklet.)
Put in a new drum unit. (See Replacing the drum unit on page 63.)
 
Ghost
Make sure that you use paper that meets our specifications. 
Rough-surfaced paper or thick print media may cause this 
problem. (See Acceptable paper and other print media 
on page 17.)
Make sure that you choose the proper media type in the printer 
driver or in the machine
s Paper Type menu setting. (See 
Acceptable paper and other print media on page 17 anBasic tab 
in the Software User’s Guide.)
Choose Reduce Ghosting mode in the printer driver. (See Ghost 
Reduction Setting
 in the Software User’s Guide.)
Put in a new drum unit. (See Replacing the drum unit on page 63.)
The fuser unit may be contaminated. Call Brother Customer 
Service.
 
Toner specks
Make sure that you use paper that meets our specifications. 
Rough-surfaced paper may cause the problem. (See Acceptable 
paper and other print media
 on page 17.)
Clean the corona wire and the drum unit. (See Cleaning the 
corona wire
 on page 62 and
 Cleaning the drum unit in Appendix 
A
 of the Advanced User's Guide.)
The drum unit may be damaged. Put in a new drum unit. (See 
Replacing the drum unit on page 63.)
The fuser unit may be contaminated. Call Brother Customer 
Service.
 
Hollow print
Make sure that you use paper that meets our specifications. (See 
Acceptable paper and other print media on page 17.)
Choose Thick Paper mode in the printer driver, choose Thick in 
the machine’s Paper Type menu setting or use thinner paper than 
you are currently using. (See Paper Type on page 17 and Basic 
tab
 in the Software User’s Guide.)
Check the machine’s environment. Conditions such as high 
humidity can cause hollow print. (See Safety and Legal booklet.)
The drum unit may be damaged. Put in a new drum unit. (See 
Replacing the drum unit on page 63.)
Examples of poor print quality
Recommendation
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4