Brother HL-2600CN Service Manual page 153

41 BD CHECK
Laser beam position and laser power can be checked.
Procedure
Description of Procedures
1) Press the Reprint button after selecting "BD
o
CHECK". (a)
2) The scanner motor scans the laser beam as
it is rotating. If the scanning position of the
laser beam is normal, "GOOD" is displayed
on the LCD, otherwise "FAIL". (b) or (c)
Scanner motor automatically stops rotating
after 60 seconds.
3) Press the - button to exit the BD CHECK
mode.
42 FU CHECK
Availability of oil in the fusing unit can be checked.
Procedure
Description of Procedures
1) Press the Reprint button after selecting "FU
CHECK".
2) When powered on, the fusing unit starts the
heating-up process and subsequently checks
the fusing temperature. If the fusing
temperature reaches the "print ready" status,
"GOOD" message appears in LCD. If not,
"FAIL" message.
3) Press the - button to exit the FU CHECK
mode.
(b)
(d)
o
(b) (d)
o
(a) (b)
(b)
o
(b) (c)
V-28
LCD Message
39 FACTORY MODE
a)
BD CHECK
41 BD CHECK
b)
GOOD
41 BD CHECK
c)
FAIL
39 FACTORY MODE
d)
DP CHECK
LCD Message
39 FACTORY MODE
a)
FU CHECK
43 FU CHECK
b)
TEMP:GOOD
39 FACTORY MODE
c)
DP CHECK