Canon LBP-1260, Руководство по обслуживанию

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2
D.
DC Controller
Input/Output
L a s e r / s c a n n e r u n i t
-2
Laser
diode -5
-3
-4 -4
-3 -5,
Laser driver - 2
-6
-1
-7
-2 -2
PCB
-3
-4 -5
motor -3
-6
-2 -7
-1
High-voltage
supply
Connecter PCB Fixing unit
DC
controller PCB
to switch the laser ON forcibly.
to switch the laser ON according
the signal.
The laser ON when the
and are
A voltage proportional to the intensity of
the laser beam is input.
The signal is output to adjust the
intensity of the laser beam.
BD input signal (pulse)
SCNCLK Scanner motor reference signal
drive the scanner
when the scanner motor reaches the
prescribed speed.
HVRST
High-voltage monitor signal
High-voltage reset signal
Constant-voltage output signal
INPUT SERIAL LINE 2
OUTPUT SERIAL LINE 2
when the main motor runs
to drive the main
2-4