HP 4400C HP Scanjet 4400C/5400C Series Scanner Windows - (English) User Manual - Page 21

Frequently asked questions, Grayscale, Black &amp, White, Extend lamp time, Scanner

Page 21 highlights

20 Getting started Frequently asked questions This section contains answers to some questions users frequently ask about scanning. Based on the scanned item, the software automatically chooses optimal values for these settings: l output type l resolution l sharpening l exposure (midtones, highlights, and shadows) l color (hue and saturation or black & white threshold) Usually, the values the software selects provide optimal results. However, you can change these values in the HP Precisionscan Pro software. Back to TOC You can reduce the time it takes to scan an item by scanning in black and white when the original is one of the following: l a black-and-white photograph or drawing l a color photo or drawing, but you want a black-and-white image to appear on the computer screen l contains only text Another option is to reduce file size. See "How can I reduce the file size?" on page 21. Print color originals as black and white by selecting the Black & White option on the front panel and pressing the Copy button ( ). Or, in the HP Precisionscan Pro software, choose the Grayscale or Black & White output types before your final scan (after the scanner completes a preview scan). See "Selecting output type" on page 43. In the HP Precisionscan Pro software, select the Extend lamp time out setting on the Scanner tab. When selected, this setting keeps the scanner lamp and the XPA light source (if connected) on beyond the default time out period. See "Setting preferences" on page 68.

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20
Getting started
Back to TOC
Frequently asked questions
This section contains answers to some questions users frequently ask
about scanning.
Based on the scanned item, the software automatically chooses
optimal values for these settings:
l
output type
l
resolution
l
sharpening
l
exposure (midtones, highlights, and shadows)
l
color (hue and saturation or black & white threshold)
Usually, the values the software selects provide optimal results.
However, you can change these values in the HP Precisionscan Pro
software.
You can reduce the time it takes to scan an item by scanning in black
and white when the original is one of the following:
l
a black-and-white photograph or drawing
l
a color photo or drawing, but you want a black-and-white image to
appear on the computer screen
l
contains only text
Another option is to reduce file size. See
"How can I reduce the file
size?" on page 21
.
Print color originals as black and white by selecting the Black & White
option on the front panel and pressing the Copy button (
). Or, in
the HP Precisionscan Pro software, choose the
Grayscale
or
Black &
White
output types before your final scan (after the scanner completes
a preview scan). See
"Selecting output type" on page 43
.
In the HP Precisionscan Pro software, select the
Extend lamp time
out
setting on the
Scanner
tab. When selected, this setting keeps the
scanner lamp and the XPA light source (if connected) on beyond the
default time out period. See
"Setting preferences" on page 68
.