SERVICE PROGRAM MODE TABLES 20 June 2005
5-26
Standard White Level Adjustment: This Time 4610*
After the white peak level density has been adjusted manually with SP 4605 2, this
SP code detects the difference between the adjustment and the target reference
and stores this value in NVRAM.
[0~255/150/1]
4613* Standard White Pre-Level Adjustment: Last Time DFU
4616* Standard White Level Adjustment: At Factory DFU
BK Adjustment DFU 4624*
These SP codes allow you to confirm the values for rough and detail adjustments
of the black level even and odd channels when the machine was turned on. You
can also adjust these values manually with the 10-key pad. If you change any of
these SP codes manually, be sure to turn the machine off and on to enable the
new settings.
4624 1 EVEN
4624 2 ODD
Rough adjustment, this time
[0~255/200/1]
4624 3 EVEN
4624 4 ODD
Detail adjustment, this time
[0~255/200/1]
Gain Adjustment: Current 4629*
When the machine is turned on, the SBU performs separate fine adjustments for
Ech (the even channel) and Och (the odd channel). These SP codes read the
values of adjustments done after the machine was powered on. These SP codes
should display 223±1, set by the white level peak adjustment as the fine gain
adjustment and sent to the DAC.
You can use these SP codes to adjust the value manually. Be sure to turn the
printer off and on to enable any settings that you change.
4629 1 EVEN EVEN Channel (Ech) [0~255/0/1]
4629 2 ODD ODD Channel (Och) [0~255/0/1]
4640* SBU Setting DFU
4640 1 Black Level Loop Count: Offset 1
4640 2 Black Level Loop Count: Offset 2
[0~255/0/1]
SBU Setting: White Level Loop Count 4641*
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. NIA
[0~255/0/1]
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