Engine Controller Mode - Brother HL-3450CN Service Manual

CHAPTER 8 TROUBLESHOOTING
2.2

Engine Controller Mode

The Power LED is lit, and applicable messages appear on the liquid crystal display (LCD) in
the following cases;
1) Consumables require to be replenished.
2) Waste toner pack is full of waste toner.
3) Paper jam.
4) Periodic maintenance.
5) Maintenance work being incomplete.
6) Paper exit tray is full of ejected paper.
The above cases are not regarded as a breakdown, and should be treated in accordance
with Table 8-2;
Display Message
11 NO MEDIA
UPP/LF1/LF2
11 CHK MEDIA TYPE
UPP/LF1/LF2
11 CHK MEDIA FOR
DUPLEX
11 CHK OUTER
SELECTION
12 NO TRAY
UPP/LF1/LF2
12 STACKER FULL
13 REPLACE TONER
Y/M/C/K
14 CHECK WASTE
TONER
14 CHECK FUSING OIL
14 CHK CLEANING
ROLLER
15 MISPRINT
PAPER/NOPRQ/MEDIA/
DUPLEX
16 ALIGN TONER CG
Y/M/C/K
Table 8-2
Meaning
No paper in the upper
cassette / lower cassette
Inconsistency of media
No duplex printing is
possible for the designated
media.
Designation of paper feed
and exit is wrong for duplex
printing.
No upper / lower media
cassette
Output paper tray is full.
Toner (Y, M, C, K) empty
Waste toner pack full of
toner
Change the oil bottle
Change the fuser cleaner
Misprinting occurred
Toner cartridge not installed
8-8
Countermeasure
Replenish paper.
Change media.
Change the media or selection.
Check the paper feed and exit
selected, and change it
accordingly.
Install cassette(s).
Remove the paper.
Replace with new toner
cartridge(s).
Replace with a new waste toner
pack.
Replace with a new oil bottle.
Replace with a new fuser
cleaner
N
Confirm status of media
cassette.
N
Confirm correct paper size.
N
Confirm consistency of
media.
Confirm the installation of the
toner cartridge(s).