Brother HL-4000CN Service Manual page 314

A B
2.6.4 Monitoring
MCU AND HVPS PWB
1 PL15.1
2.6.1
1 TRAY1
SIZE SWITCH1 SIGNEL
2.6.1
1 TRAY1
SIZE SWITCH2 SIGNEL
2.6.1
1 TRAY1
SIZE SWITCH3 SIGNEL
2
2.6.2
TRAY2
1
SIZE SWITCH1 SIGNEL
2.6.2 1 TRAY2
SIZE SWITCH2 SIGNEL
TRAY2
1
2.6.2
SIZE SWITCH3 SIGNEL
2.6.3
3 1 TRAY3
SIZE SWITCH1 SIGNEL
2.6.3
1 TRAY3
SIZE SWITCH2 SIGNEL
2.6.3 TRAY3
1
SIZE SWITCH3 SIGNEL
4
2.6.1
1 TRAY1 NO PAPAR
SENSED SIGNEL
2.6.2
TRAY2 NO PAPAR
1
SENSED SIGNEL
2.6.3
TRAY3 NO PAPAR
1
SENSED SIGNEL
5
1
Imaginary Line
6
C D
CONTROL PANEL
PL1.1
CONTROL
LOGIC
Push in Tray 1
Check Paper in Tray 1
Push in Tray 2
Check Paper in Tray 2
Push in Tray 3
Check Paper in Tray 3
Push in The Tray
Push in All Trays
No Paper in Tray 1
Load in Tray 1
Load in Tray 2
Load in Tray 3
Load in Tray
stands for paper size
No Paper in All Trays
VI-17
E F G
2.6 Paper Supplying
H J