Image Quality Setting By Up Mode - Ricoh SP5 Series Service Manual

June 30, 1998

4.4.5 IMAGE QUALITY SETTING BY UP MODE

The 'Original Mode Quality Level in Copy Features' UP mode is related to the 'MTF
Filter Settings' SP mode.
Text
Text/Photo
Photo
Pale
Generation
A229M511.WMF
If a setting from the above three columns [A] is selected, the MTF coefficient (SP4-
903-011 to 019, 041 to 047) and MTF strength (SP4-903-20 to 23, 050 to `053) are
fixed. Any changes to the SP mode settings are not reflected in the copy. To use
the settings specified by SP mode, the user must select "SP mode Changed" [B].
The detailed relationship between the different original modes, the UP modes, and
the SP modes are as follows.
Text mode
Magnification Ratio: 32− 64%
MTF Filter Strength
UP mode
Coefficient Level –
Main Scan
SP4-903-011
Coefficient Level
– Sub Scan
SP4-903-041
Strength Level –
Main Scan
SP4-903-020
Strength Level
– Sub Scan
SP4-903-050
Soft N o r m a l
P h o t o M o d e N o r m a l
Screened Printed N o r m a l
Soft N o r m a l
Soft N o r m a l
[A]
Strong
Sharp
6 4
8 6
4 3
4 3
4-67
USER PROGRAM MODE
S h a r p
SP Mode Changed
Text Mode
SP Mode Changed
Continuous Tone SP Mode Changed
S h a r p SP Mode Changed
S h a r p SP Mode Changed
Normal
6 5 1
8 7 3
2 2 2
2 2 2
[B]
Weak
Soft
2 1
4 2
1 0
1 0