Text/Photo Mode - Gestetner B003 Service Manual

IMAGE PROCESSING

Text/Photo Mode

The following SP modes selects the MTF filter coefficient and strength in the main
scan direction for text/photo mode.
• SP4-903-39 to SP4-903-42 (25%~64%)
• SP4-903-43 to SP4-903-46 (65%~154%)
• SP4-903-47 to SP4-903-50 (155%~256%)
• SP4-903-51 to SP4-903-54 (257%~400%)
Text/Photo mode 25~64%
MTF strength
Main scan: Filter coefficient
(SP4903-39)
Sub scan: Filter coefficient
(SP4903-40)
Main scan: Filter strength
(SP4903-41)
Sub scan: Filter strength
(SP4903-42)
Text/Photo mode 65~154%
MTF strength
Main scan: Filter coefficient
(SP4903-43)
Sub scan: Filter coefficient
(SP4903-44)
Main scan: Filter strength
(SP4903-45)
Sub scan: Filter strength
(SP4903-46)
Text/Photo mode 155~256%
MTF strength
Main scan: Filter coefficient
(SP4903-47)
Sub scan: Filter coefficient
(SP4903-48)
Main scan: Filter strength
(SP4903-49)
Sub scan: Filter strength
(SP4903-50)
B003/B004/B06/B007
Weakest
←Default→
(Soft)
0 9
0 10
0 1
0 1
Weakest
←Default→
(Soft)
0 10
0 6
0 1
0 1
Weakest
←Default→
(Soft)
0 14
0 6
0 1
0 1
6-32
Strongest
(Sharp)
16
13
7
7
Strongest
(Sharp)
15
13
7
7
Strongest
(Sharp)
15
13
7
7
SM