Table of Contents
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Mode No.
Class 1
Class 3
and 2
4-903 *
34*
Background Erase
Level
(Text mode)
35*
Background Erase
Level
(Text/Photo mode)
36*
Background Erase
Level
(Photo mode)
37*
Background Erase
Level
(Generation Copy
mode)
38*
Gradation Mode
Setting
39*
Binary Filter
Setting
SM
SERVICE PROGRAM MODE
Function
Adjust the threshold level for the
background erase function in the text
mode.
A larger value reduces dirty
background.
Adjust the threshold level for
background erase in text/photo mode.
A larger value reduces dirty
background.
Adjust the threshold level for
background erase in photo mode.
A larger value reduces dirty
background.
Adjust the threshold level for
background erase in generation copy
mode.
A larger value reduces dirty
background.
Selects the standard gradation mode.
bit 4:
0: Normal operation
1: No gradation processing
bit 3:
0: Normal operation
1: No gamma correction
bit 2: Copied original mode
0: Error diffusion off
1: Error diffusion on
bit 1: Low density original mode
0: Error diffusion off
1: Error diffusion on
bit 0: Text mode
0: Error diffusion off
1: Error diffusion on
Input the setting for all 8 bits at once as
a decimal value. Example: To set bits 2,
1, and 0 to 1, input 7.
Selects the binary matrix filter.
0: Filter off
1: Independent dot erase filter - 3x3
2. Independent dot erase filter - 4x4
3: Independent dot erase filter - 5x5
4: Uneven correction filter - 3x3
Do not change the value.
4-25
Settings
0 ~ 255
1/step
20
0 ~ 255
1/step
0 (Disabled)
0 ~ 255
1/step
0 (Disabled)
0 ~ 255
1/step
20
0 ~ 63
1/step
0
0 ~ 4
1/step
0
A230/A231/A232
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Table of Contents
Troubleshooting
