Duplexing Reverse/Feed Operation - Canon i-SENSYS LBP5300 Series Service Manual

The duplexing unit is controlled by the duplexing driver PCB. An 8-bit CPU is used in the duplexing driver PCB, which controls the sequences of the duplexing
unit as well as the serial communication with the DC controller of the printer. The DC controller commands to the duplexing driver PCB at necessary timing. The
duplexing driver PCB drives each load, such as motors and solenoids, depending on these commands.
The signal flow in the duplexing driver PCB.
DC controller PCB
+24V
+3.3V

2.5.4.2 Duplexing reverse/feed operation

/ i-SENSYS LBP5360 / i-SENSYS LBP5300
In this control, the paper printed on the one side is reversed its feeding direction in order to operate the duplex print.
The operational sequence of the duplexing feed is described below.
Driver PCB Duplexing driver PCB (Duplex model)
+24V
+3.3V
Duplexing reverse unit
F-2-38
SL
FAN
F-2-39
Duplexing feed unit
Duplexing reverse paper sensor
M Duplexing reverse motor
Duplexing flapper solenoid
Duplexing feed motor
M
Duplex cooling fan
Chapter 2
0013-8281
2-31