98
Hollow print
Make sure that you use paper that meets our specifications.
Rough-surfaced paper may cause the problem. (See Acceptable
paper and other print media uu 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 uu page 17 and
Software User’s Guide: Basic Tab.)
Check the machine
’s environment. Conditions such as high
humidity can cause hollow print. (See Product Safety Guide:
Choose a safe location for your product.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit uu page 55.)
All black
Clean the corona wire inside the drum unit by sliding the green
tab. Be sure to return the green tab to the home position (a). (See
Cleaning the corona wire uu page 62.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit uu page 55.)
The fuser unit may be contaminated. Call Brother Customer
Service or your local Brother dealer.
White lines across the page
Make sure that you use paper that meets our specifications. A
rough surfaced paper or thick print media can cause problems.
Make sure that you choose the appropriate media type in the
printer driver or in the machine’s Paper Type menu setting. (See
Acceptable paper and other print media uu page 17 and
Software User’s Guide: Basic Tab.)
The problem may disappear by itself. Print multiple pages to clear
this problem, especially if the machine has not been used for a
long time.
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit uu page 55.)
Lines across the page
Clean the corona wire of the drum unit. (See Cleaning the corona
wire uu page 62.)
Clean the drum surface. (See Cleaning the drum unit
uu page 64.)
The drum unit may be damaged. Put in a new drum unit. (See
Replacing the drum unit uu page 55.)
Examples of poor print quality Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
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