Gestetner B003 Service Manual page 224

SERVICE PROGRAM MODE
SP4 Mode Number
4901* 22* A/D Standard Voltage in AE
Mode
23* BK Adjustment
24* EO Adjustment
26* Range Adjustment
27* Gain Adjustment – Ech
28* Gain Adjustment – Och
29* Apli. Dummy Range
Adjustment
30* Apli. Range Adjustment
31* Apli. Gain Adjustment –
Ech
32* Apli. Gain Adjustment –
Och
33 Dummy Gain Adjustment –
Ech
Dummy Gain Adjustment –
34
Och
4903* Filter Setting
5 Full Size Mode
7 Image Shift in Magnification
8* Fax 25%, 50% Reduction
Filter Type Selection –
9*
Photo Mode
B003/B004/B006/B007
Function and [Setting]
DFU
DFU
DFU
DFU
DFU
DFU
DFU
DFU
DFU
DFU
DFU
DFU
Selects whether the copy is always full size,
even if the magnification ratio has been
changed.
Set to 1 to check the main scan magnification. If
the magnification is not 100%, the image
processing circuits could be malfunctioning.
[0~1 / 0 / 1 step]
0: Normal operation
1: Always full-size mode
Adjusts the amount of pixel shift in the main
scan direction in the magnification mode.
[0~7680 / 0 / 1 step] DFU
Determines whether 25% and 50% reduction is
available in the fax mode.
[0~1 / 0 / 1 step] DFU
0: Available
1: Not available
Selects the filter to be used for originals that
contain photos.
[0~1 / 1 / 1 step]
0: Selects MTF correction for continuous
grayscale photos. To set the MTF coefficient
and strength, set:
SP4-903-036
SP4-903-038
1: Selects smoothing for originals that contain
dithered images. If you select 1, set the filter
smoothing coefficient with:
SP4-903-037
5-18 SM