5-46
Confidential
1.3.21 Continuous adjustments of density / registration sensor
(Function code 73)
< Function >
This function is used to perform the following functions consecutively:
Sensitivity adjustment of density sensor (Function code 72), Developing bias voltage
correction (Function code 83), and Adjustment of color registration (Adjustment of inter-color
position alignment) including registration sensor calibration (Function code 66).
< Operating Procedure >
(1) For models with touch panel
Press the [7] and [3] in this order in the initial state of the maintenance mode. “72/83/66-1”
is displayed on the LCD.
For models without touch panel
Press the [▲] or [▼] in the initial state of maintenance mode to display
“MAINTENANCE 73” on the LCD, and press the [OK]. “72/83/66-1” is displayed on the
LCD.
(2) Press the [SET] or [OK]. “PLS WAIT 72” is displayed on the LCD and each adjustment is
performed in the following order.
1) Sensitivity adjustment of density sensor (Function code 72)
LCD: PLS WAIT 72
2) Developing bias voltage correction (Function code 83)
LCD: PLS WAIT 83
3) Adjustment of color registration (Adjustment of inter-color position alignment)
including registration sensor calibration (Function code 66)
LCD: PLS WAIT 66-1
(3) When all operations are completed, “COMP” is displayed on the LCD. Pressing the [▼]
and [X] or [Cancel] in this order and the machine returns to the initial state of the
maintenance mode.
Note:
If each adjustment fails, “ERROR **” is displayed on the LCD and the adjustment is
stopped. If you press the [▼] with “ERROR **” displayed, the details of the error are shown.
“**” in “ERROR **” displayed on the LCD indicates corresponding function code number.
Make sure to take an appropriate remedy after checking the remedy provided in each
function code.
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