e-STUDIO160/200/250 IMAGE PROCESSING 6 - 8 December 2002 TOSHIBA TEC
6.5 Printer
Image signals processed on the Main board are processed on the print-control ASIC and the laser drive
board on the same Main board. Then, they are laser-controlled for the write operation.
(1) Setting of effective image area................ • The top, bottom, left and right margins are set.
(2) Synchronization Clock Generation .......... • HSYNC and the reference clock signal at printer block
block of horizontal synchronizing synchronized with the signal.
signal (HSYNC)
(3) Laser drive block .................................... • ON/OFF control of the semiconductor laser and APC (Auto
Power Control) control.
To Next Page
Loading...
