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RECORDING SECTION
4.3
Flow of Printing
Fig. 4-28 shows the general flow of printing.
First of all, the video control section outputs the print instruction to the
printer engine control section which starts to prepare for printing (picking
up recording paper, etc.). Next, when the printer is ready for printing, the
video control section sends the video signals (image data) to the printer
engine control section. The printer engine control section generates the
signals (LASER drive signals) for turning the LASER ON and OFF based
upon the video signals, and sends these signals to the LASER/scanner sec-
tion.
4–26
System control section
Image processing section
Image data
Print
instruction
Video
control
Video signals
section
Printing process section
Fixing
roller
Fixing
pressure
roller
Eject
section
Fig. 4-28 Printing Sequence
Printer engine section
Print
preparations
Printer engine
control section
LASER drive signals
LASER/scanner
section
LASER beam
Primary
charging
roller
Photosensitive
Developing
cylinder
drum
Transfer
charging
roller
Recording
paper
Pickup
section
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