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