Ricoh Aficio 480W Dolphin-C2 Service Manual page 234

28 April 2005
4741 CIS White Adjust Loop
Displays the number of loops executed during white peak level adjustment for AGC
(Automatic Gain Control). This SP is for display only and the value cannot be adjusted.
4745 CIS Adjustment Error Flag
Displays the error flag if an error occurred during the last CIS white level check, black
level check, white level peak adjustment when the machine was switched on. Displays
"0000 000" for normal. Displays a "1" for an error at the bit position.
Bit Error Description
0 - Not used
1 1 White level adjustment timeout. Could not adjust white level after 20
attempts.
2 1 White level last check error. Value read for white peak was invalid.
3 1 Density adjustment timeout. Value was still out of range after 20 attempts.
4 1 White platen roller density adjustment interrupted due to paper jam, etc.
5 1 White platen roller density adjustment timeout interrupted due to original
feed.
6 - Not used
7 - Not used
4747 CIS Hard Error Flag
Displays a code for the error if any occurs as a result of the communication check with
the CIS done immediately after the machine is switched on. Displays "0000 000" for
normal. Displays a "1" for an error at the bit position.
Bit Error Description
0 1 Serial output board defective.
1 1 Failed to read CIS version information.
2 1 Mismatch between version data read and data stored in the CIS register.
4762 CIS Gain Adjustment Normally DFU
Displays the gain adjustment setting as a result of white level peak adjustment with no
errors after the machine was switched on. Normal: 240±2.
If an error occurs during white level adjustment, the adjustment value set for SP4732
001 is used. The value can be set with this SP, but the setting remains in effect only
while the machine remains on and is lost when the machine is switched off.
[0~255/1]
4765 CIS Standard White Level Adjustment Normally: White Roller DFU
Displays the density adjustment done for the reading of the white platen roller.
[0~255/1]
4781 CIS Gain Adjustment at Factory
Displays the value of gain adjustment value stored in NVRAM at the factory by
executing SP4705 002 with SP4705 001 set to "0". For display only. This SP cannot be
adjusted in the field.
SP (SERVICE PROGRAM) MODE TABLES
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