Canon LBP 2460 - B/W Laser Printer, Service Manual

Page: 49 / 314

C. Power on sequences
Sequences of the printer from power ON until it enters the standby mode are as shown below.
Figure 2-1-2
CHAPTER 2
2 - 3
NO
NO
Power ON
CPU initialization
Duplexing unit
initialization
Duplexing unit
connection
Fixing heater ON
Standby
NO
/PPRDY signal output
Main motor, scanner motor, pick-up roller, registration
roller, primary AC, transfer negative bias ON
Development AC bias ON (Checks if
the cartridge is installed and if there is
toner in it)
Has fixing temperature
reached 150˚C?
Has fixing temperature
reached 150˚C?
Main motor, scanner motor, pick-up roller, registration
roller, primary AC, transfer negative bias ON
Main motor, scanner motor, pick-up roller, registration
roller, primary AC, transfer negative bias ON
During this period, checks if there is
residual paper in the printer. If automatic
paper delivery is required as a result of
the check, residual paper is delivered
automatically.