17 January, 2003 PRINTER ENGINE SERVICE MODE
5-33
Service
Tables
3
Mode No.
(Class 1, 2, and 3)
Function / [ Setting ]
6 LED Current R *BCU Displays the ID sensor LED current adjusted
during Vsg adjustment.
[ 0 to 1025 / - / 1 ]
107
7 Vsg avg bk *BCU Displays the average black Vsg value of the
center ID sensor.
[ 0.00 to 5.00 / - / 0.01V/step ]
[Dev. g Target] Development Gamma Target ([Color])
Adjusts the development gamma by changing the Vref value used for toner density control.
Vref is automatically corrected so that the gamma measured during the process control
self-check becomes “the value set with this SP mode ± 0.15”
1 [K] *BCU
[ 100 to 300 / 190
/ 1 mg/cm
2
/KV / step ] DFU
2 [ Y ] *BCU
3 [M] *BCU
120
4 [C] *BCU
[ 100 to 300 / 165
/ 1 mg/cm
2
/KV / step ] DFU
[Dev. g Display] Development Gamma Display ([Color])
Displays the development gamma measured during the process control self-check.
1 [K] *BCU
2 [Y] *BCU
3 [M] *BCU
121
4 [C] *BCU
[ 0 to 10000 / - / 1 mg/cm2/KV /step ]
Normal Range: 1.00 to 2.00
[Vk Display] Vk Display ([Color])
1 [K] *BCU
2 [Y] *BCU
3 [M] *BCU
122
4 [C] *BCU
Displays the current Vk value.
[ -255 to 255 / - / 1 V/step ]
Normal Range: -50 to 50
[Vref Display] Current Vref Display ([Color])
1 [K] *BCU
2 [Y] *BCU
3 [M] *BCU
123
4 [C] *BCU
Displays the current Vref value.
[ 0.0 to 5.0 / - / 0.1V/step ]
[Process Contr.] Process Control
1 ON/OFF *BCU Enables or disables process control.
[ 0 or 1 / 1
/ 1/step ] Alphanumeric
0: OFF (Use the fixed values for VD, VL and VB
set with SP2-001, SP2-103, and SP2-201.)
1: ON
125
2 LD Control *BCU Selects the LD control mode.
[ 0 to 2 / 1
/ 1/step ] Alphanumeric
0: Fixed (at the value in SP2-103)
1: Controlled by process control
2: Controlled by LD power selection
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