Brother HL-2400C Service Manual page 147

39 FACTORY MODE
This mode consists of 9 (nine) modes for the confirmation of operation and the resetting
functions necessary for maintenance work.
Before using this mode, ensure that you have the information available to reset the Page
and Image counters to the correct values. See 34 TOTAL PAGES and 35 EACH IMAGE
for information on how to get the readings before starting working with these functions.
Basic Configuration
39 FACTORY MODE
CAUTION
40
41
42
43 MARGIN ADJUST
44 LIFE PERIOD SET
45 NVRAM TUNE UP
46 NVRAM INITIAL
47 TOTAL PAGE SET
48 EACH IMAGE SET
V-26
DP CHECK
BD CHECK
FU CHECK