Service
Tables
SERVICE PROGRAM MODE TABLES
SM 5-33 B079/B082
SP4 Mode Number Function and [Setting]
4903*
93*
Filter Adj.: Photo (Mag.%)
257 – 400%
Adjusts the MTF filter coefficient magnification
setting selected with SP4903 036 to adjust clarity
of images copied in the Photo mode and enlarged
in the range 257% to 400%.
• Specifically, this settings affects how edges
are detected at sharp edges and at faint
borders where no edges exist.
to distinguish the differences between sharp
and faint borders, this can also cause moiré to
appear in the image. A higher setting can
weaken the clarity of edges.
[0~15 / 15 / 1]
(
!
6.2 Image Processing)
4904* IPU Setting
1 Grayscale Photo Mode Selects the method of grayscale processing for the
Photo Mode.
[0~1 / 0 / 1]
0: Dithering and smoothing. This setting is the
same as the setting for “Print Photo” selected
on the operation panel in Photo Mode.
Dithering can be adjusted with SP4903 037.
1: Error diffusion and MTF filter processing. This
setting is the same as the setting for “Normal”
or “Glossy Photo” selected on the operation
panel in Photo Mode. Error diffusion can be
adjusted with SP4903 036 and 038.
Selects the size of the dither matrix for the photo
mode.
[0~3 / 1 / 1]
Value Method Lines Effect
0 Dither 8 x 8 75 Screening
1 Dither 8 x 8 106 Best grayscale
2 Dither 6 x 6 142 Good grayscale
2* Quality Photo Mode
3 Dither 4 x 4 212 Good resolution
3* Density Setting for Low
Density Original Mode
Selects the density γ factor for the low-density
original mode.
[0~1 / 0 / 1]
0: Selects γ normal density.
1: Digitizes to near binary image.
Use to achieve better balance between text and
images, correct shadows that appear around text
in handwritten documents, to enhance documents
written in pencil, or to achieve stark contrast
when copying blueprints, building plans, etc.
4* Density Setting for Copied
Original Mode
Setting same as above.
[0~1 / 0 /1 step]
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