Brother HL-1870N - Page 252

CHAPTER 6 TROUBLESHOOTING
6-68
No. Display Name of Sensor Status
C
ON: The front cover is open.
1st
Black square
Cover sensor
OFF: The front cover is closed.
T
ON: The toner cartridge is installed.
2nd
Black square
Toner sensor
OFF: No toner cartridge is installed.
P
ON: No paper cassette is installed.
3rd
Black square
Cassette sensor
OFF: The paper cassette is installed.
E
ON: Paper is detected.
4th
Black square
Paper empty sensor
OFF: No paper is detected.
D
ON: No DX tray is installed.
5th
Black square
DX tray sensor
OFF: The DX tray is installed.
S
ON: A4 size paper is installed.
6th
Black square
DX lever sensor
OFF: Letter size paper is installed.
M
ON: Paper is detected.
7th
Black square
MP sensor
OFF: No paper is detected.
R
ON: DX cover is open.
8th
Black square
DX cover sensor
OFF: DX cover is closed.
F
ON: The fixing unit cover is open.
9th
Black square
The fixing unit cover
sensor
OFF: The fixing unit cover is closed.
G
ON: Paper is detected.
10th
Black square
Lower tray unit
registration sensor
OFF: No paper is detected.
L
ON: Paper is detected.
11th
Black square
Lower tray unit paper
empty sensor
OFF: No paper is detected.
2
ON: No lower tray unit is installed.
12th
Black square
Lower tray unit sensor
OFF: The lower tray unit is installed.
F
ON: Paper is detected.
13th
Black square
Front registration
sensor
OFF: No paper is detected.
R
ON: Paper is detected.
14th
Black square
Rear registration
sensor
OFF: No paper is detected.
E
ON: Paper is detected.
15th
Black square
Paper eject sensor
OFF: No paper is detected.
16th Not used