Brother International HL 1850 Service Manual - Page 273

Appendix, Nvram, Default, Value

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APPENDIX APPENDIX 19. NVRAM DEFAULT VALUE The default values for the main items to be set in NVRAM are as follows; Items Timing of Drum LED ON Development switching timing Fixing temperature Smaller size mode Descriptions 16,000 page (Counted from the drum unit life.) The developing bias is switched from 400V to 300V when 5,000 pages are printed. It is switched to 400V again when the toner cartridge is replaced following the "TONER EMPTY" error message (Counted from the number of the drum rotation in noncontinuous printing) • Transparency: 170°C • Thin paper: 185°C • Plain paper: 208°C (195°C when printing using duplex function) • Thick paper: 220°C • Thicker/Bond paper: 220°C (in non-continuous printing) See APPENDIX 16 `PRINT SPEEDS WITH VARIOUS SETTINGS'. A-27

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APPENDIX
APPENDIX
19.
NVRAM
DEFAULT
VALUE
The
default
values
for
the
main
items
to
be
set
in
NVRAM
are
as
follows;
Items
Descriptions
Timing
of
Drum
LED
ON
16,000
page
(Counted
from
the
drum
unit
life.)
Development
switching
timing
The
developing
bias
is
switched
from
400V
to
300V
when
5,000
pages
are
printed.
It
is
switched
to
400V
again
when
the
toner
cartridge
is
replaced
following
the
"TONER
EMPTY"
error
message
(Counted
from
the
number
of
the
drum
rotation
in
non
-
continuous
printing)
Fixing
temperature
•
Transparency:
170°C
•
Thin
paper:
185°C
•
Plain
paper:
208°C
(195°C
when
printing
using
duplex
function)
•
Thick
paper:
220°C
•
Thicker/Bond
paper:
220°C
(in
non
-continuous
printing)
Smaller
size
mode
See
APPENDIX
16
`PRINT
SPEEDS
WITH
VARIOUS
SETTINGS'.
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