Video Interface Control - Canon LBP 2460 - B/W Laser Printer Service Manual

E. Video Interface Control
1. Outline
To connect the printer to an external device, such as a host computer, a video controller PCB
(interface PCB) is needed.
This section explains the kinds of interface signals exchanged between the printer and the
video controller PCB, and gives information concerning the sequence of printer operation
making use of interface signals.
a. System block diagram
External device (host computer, etc.)
Video interface signals
(See figure 2-2-15)
Printer
Video controller PCB
DC controller PCB
SCANNER
MOTOR DRIVE
signal (/SCND)
Laser
Scanner
Unit
driver
Figure 2-2-14
LASER DRIVE
signal (VDO)
CHAPTER 2
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