Brother HL-2600CN Service Manual page 344

I-21 Insufficient Gloss
Phenomenon
Gloss of the print is not sufficient as shown in
Main Causes
1) The fuser cleaner is stained.
2) The fusing roller 2 is deteriorated.
Countermeasures
1) Replace the fuser cleaner with a new one. (See
2) Replace the fusing unit with a new one. (See
Note:
When replacing the fusing unit, wait approximately for 30 minutes after the new unit is
installed to allow the fusing oil to circulate in the new fusing unit.
I-22 Back Stain
Phenomenon
Back side of the print paper is stained as shown in
Main Causes
Fusing unit:
1) The cleaning pad of the fuser cleaner is stained.
2) Silicone oil in the oil bottle is short.
3) The fusing roller 2 and back-up roller are dirty.
Countermeasures
1) Replace the fuser cleaner with a new one. (See
2) Clean the fusing roller 2 and back-up roller.
3) Replace the fusing unit with a new one. (See
print sample (21) of Fig.8-2.
Section 3.1 of Chapter
Section 2.2 of Chapter
print sample (22) of
Section 3.1 of Chapter
Section 2.2 of Chapter
III.)
VI.)
Fig.8-2.
III.)
VI.)