BenQ 2720S Service Guide - Page 54

A.3 Hardware Scanner

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(1) Continuous tone color printer (such as dye-sublimation printer) The scanning resolution should be set the same as the resolution of the printer. (2) Halftone printer (such as laser or inkjet printer) The scanning resolution dependent on both the gray level you want and the resolution of the printer. The general idea is: Scanning Resolution = the resolution of the printer / 2 For instance, to print the scanned image on a 360-dpi inkjet printer, the scanning resolution should be set as be 180 dpi (180 = 360 /2). To scan at higher resolution than the proper value does not do any good to the image quality but only waste time and storage space. A.3 Hardware (Scanner) Q: Why after installing the scanner driver, the computer is extreme slow on my system, could the driver affect the configuration of the system? (Autoexec.bat, Config.sys, Sys.ini, Win.ini ...etc) A: The scanner driver installation makes no permanent changes to these files, except that miniport driver will try to config supper IO chip and change its default setting. This driver will not detect and config supper IO chip of 486 and early CPU. Q: How to connect the scanner to other SCSI card? A: Just install the SCSI card driver first, then install the scanner driver. When installing the scanner driver, select "custom installation" then in the installation process you'll see a dialog that let your select SCSI card, A-6 API Confidential Frequently Asked Questions No Copy/Reproduction allowed

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(1) Continuous tone color printer (such as dye-sublimation printer)
The scanning resolution should be set the same as the resolution of
the printer.
(2) Halftone printer (such as laser or inkjet printer)
The scanning resolution dependent on both the gray level you want
and the resolution of the printer. The general idea is:
Scanning Resolution = the resolution of the printer / 2
For instance, to print the scanned image on a 360-dpi inkjet printer, the
scanning resolution should be set as be 180 dpi (180 = 360 /2). To scan
at higher resolution than the proper value does not do any good to the
image quality but only waste time and storage space.
A.3 Hardware (Scanner)
Q: Why after installing the scanner driver, the computer is extreme slow
on my system, could the driver affect the configuration of the system?
(Autoexec.bat, Config.sys, Sys.ini, Win.ini ...etc)
A: The scanner driver installation makes no permanent changes to these
files, except that miniport driver will try to config supper IO chip and
change its default setting. This driver will not detect and config supper
IO chip of 486 and early CPU.
Q: How to connect the scanner to other SCSI card?
A: Just install the SCSI card driver first, then install the scanner driver.
When installing the scanner driver, select “custom installation” then in
the installation process you’ll see a dialog that let your select SCSI card,
A
-6
API Confidential
Frequently Asked
Questions
No Copy/Reproduction allowed