Brother HL-3450CN Service Manual page 160

45-2 THV TUNE UP
This mode shall be used when the transfer voltage needs to be adjusted due to errors such
as transfer failure onto the media. The adjustment is used to change the transfer voltage,
subject to the media to be used, against the reference value 0 (zero) in the range -4 to +4.
NOTE:
Do not perform this mode frequently.
Description of Procedures
1) Press the Reprint button after selecting
Screen (a) "NVM TUNE UP". (a)
2) After selecting THV TUNE UP Code 2, press
the Reprint button.
3) After selecting the media to be adjusted,
press the Reprint button. (Ex. PPC).
4) Adjustment can be made in 8 steps between
-4 and +4.
After selecting a given number, press the
Reprint button.
5) Press the - button to finish the adjustment for
PPC.
Repeat steps 3 to 5 for other media such as
OHP or Labels.
6) Press the - button to finish the adjustments.
o
(b)
a)
o
(b) (c)
b)
o
(c) (d)
c)
(d)
d)
o
(d) (e)
e)
o
(e) (f)
f)
5-35
HL-3450CN SERVICE MANUAL
LCD Message
39 FACTORY MODE
NVM TUNE UP
45 NVM TUNE UP
No.=<123456789>
45 THV TUNE UP
PPC/OHP/LABEL
45 THV PPC [ ]
-<432101234>+
45 THV TUNE UP
PPC/OHP/LABEL
45 NVM TUNE UP
No.=<123456789>