Canon LBP 2460 Service Manual - Page 69
Video Interface Control, Outline, System block diagram,
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CHAPTER 2 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.) Printer Video interface signals (See figure 2-2-15) Video controller PCB DC controller PCB SCANNER MOTOR DRIVE signal (/SCND) LASER DRIVE signal (VDO) Scanner Unit Laser driver Figure 2-2-14 2 - 23
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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
Figure 2-2-14
CHAPTER 2
2 - 23
Printer
Laser
driver
Scanner
Unit
External device (host computer, etc.)
Video interface signals
(See figure 2-2-15)
Video controller PCB
DC controller PCB
SCANNER
MOTOR DRIVE
signal (/SCND)
LASER DRIVE
signal (VDO)