Group 2000
D014/D015/D078/D079 5-50 SM
2211 Set LD Power
These SPs set the power levels of the laser diodes in the exposure unit for the
standard speed mode and low speed mode for each color, but take effect only
when SP3501 001 is set to "1" (Fixed). With the setting at "0" the LD output is
100%. This can be adjusted in the range –117 to +127 (44% to 160%). The "0"
setting is equivalent to 0.171 mW exposed on the surface of the drum. The LD
power level is normally adjusted during the process control self-check. These
values are used only when automatic process control is switched off (by setting
SP3501 001 to "1").
1 K [-117 to +127/1]
2 M [-117 to +127/1]
3 C [-117 to +127/1]
4 Y [-117 to +127/1]
2212 Set Dev DC
These SPs set the development dc bias for the standard speed mode and low
speed mode for each color, but take effect only when SP3501 001 is set to "1"
(Fixed). The dc drum charge bias (absolute value) is set to –200 V, and the default
for each color is set to –500 V. These values are used only when automatic
process control is switched off (by setting SP3501 001 to "1").
1 K [-800 to 0/1 V]
2 M [-800 to 0/1 V]
3 C [-800 to 0/1 V]
4 Y [-800 to 0/1 V]
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