Brother HL-2600CN Service Manual page 161

45-5 FBV TUNE UP
This mode should be used when image defects attributed to the transfer drum need to be
improved. Adjustment is to adjust the drum cleaner bias voltage against the reference
value 0 (zero) in the range between the step -4 and +4.
Description of Procedures
1) Press the Reprint button after selecting "NVM
TUNE UP".
2) After selecting FBV TUNE UP Code 6, press
the Reprint button.
3) The adjustment value can be adjusted in 8
steps between -4 and +4.
After selecting a given number, press the
Reprint button.
4) Press the - button to finish the adjustment
work for FBV.
o
(a) (b)
a)
o
(b) (c)
b)
(c)
c)
o
(c) (d)
d)
V-36
LCD Message
39 FACTORY MODE
NVM TUNE UP
45 NVM TUNE UP
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45 FBV TUNE UP
-<432101234>+
45 NVM TUNE UP
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