Ricoh Aficio 480W Dolphin-C2 Service Manual page 233

SP (SERVICE PROGRAM) MODE TABLES
4554 Scanner: Drawing
Adjusts the MTF level in the main scan direction for the Drawing mode of the scanner
application.
For each adjustment below:
• Weak: Low end of the range (0)
• Medium: Center of the range (default)
• Strong: High end of the range.
001 MTF Filter Level: Main Screen
002 MTF Filter Level: Sub Scan
003 MTF Filter Strength: Main Scan
004 MTF Filter Strength: Sub Scan
005 Smoothing Filter
006 Brightness
007 Contrast
008 Isolated Dot Removal
4705 CIS Adjustment:
Adjusts the density level of white peak adjustment. This sets the PGA reference
voltage of the CIS unit
001 Flag Display
002 Start
4713 CIS White Level Adjustment: White Roller DFU
Displays the value of the reference point for white level correction after the CIS has
scanned the white platen roller after execution of SP4705 002. Normal: 240±2
4716 CIS White Level Adjustment: Factory: White Roller
Displays the value of the setting done at the factory to adjust the white peak level
before the machine was shipped.
4732 CIS Gain Adjustment DFU
Displays the gain data (CIS AGC_CONT) immediately after the white level is adjusted
after the machine is turned on. If an error occurs during white level adjustment, the
gain adjustment value set for SP4762 001 is used. However, the gain can be adjusted
with this SP but the setting remains in effect only while the machine remains on and is
lost when the machine is switched off.
4735 CIS Read White Level
Displays the peak value of the EVEN/ODD shading data when the peak level was
adjusted immediately after the machine was switched on.
Normal Reading: 240±2
001 Ech EVEN shading data display.
002 Och ODD shading data display.
Displays "Adjusted" after executing 4705 002.
Touch "Start" to adjust the standard white level.
After adjustment, check the result with SP4713.
5-56
[0~15/1]
[0~7/1]
[0~7/1]
[1~255/1]
[0~7/1]
28 April 2005