2FT-1
1-4-27
U100
Setting the main high voltage
Description
Performs the main charging. Also changes the setting of main charging copy quantity correction.
Purpose
To check main charging. Also used when reentering data after initializing the set data.
Start
1. Press the start key. The screen for selecting an item is displayed.
2. Select the item using the up/down cursor keys.
Method for main charger output
1. Press the start key. The selected operation starts.
2. To stop operation, press the stop/clear key.
Setting the main charging copy quantity correction
1. Change the setting using the left/right cursor keys.
Copy interval: Sets the time interval from the previous copying. If the time from the previous copying
exceeds this preset value, the copy quantity counter will be reset.
Copy quantity: Sets the copy quantity from which copy quantity correction starts. When the copy quan-
tity counter reaches this preset value, correction will start.
Correction amount: Sets the correction amount for copy quantity correction.
Set the values in the range from 5 to 120 minutes for copy interval, from 10 to 2,000 sheets for copy
quantity, and from 5 to 50 bits for correction amount.
2. Press the start key. The value is set.
Completion
Press the stop/clear key when main charger output stops while a selection item is displayed. The indication for
selecting a maintenance item No. appears.
U101
Setting the other high voltages
Description
Changes the developing bias voltage and transfer/separation voltage.
Purpose
To check the developing bias and the transfer/separation voltage or to take measures against drop of image
density or background fog.
Method
1. Press the start key. The screen for selecting an item is displayed.
2. Select the item to be set using the up/down cursor keys.
3. Press the start key. The screen for executing each item is displayed.
Maintenance
item No.
Description
Display Description
MC ON Turning the main charger on
LASER ON/OFF Turning the main charger on and the laser scanner unit on and off
INTERVAL Main charging copy quantity correction, copy interval
COPY CNT Main charging copy quantity correction, copy quantity
MC ADJUST Main charging copy quantity correction, correction amount
Display Setting Setting range Initial setting
INTERVAL Copy interval 1 to 255 (minute) 60
COPY CNT Copy quantity 1 to 255 (10 sheets) 50
MC ADJUST Correction amount 0 to 50 (bit) 10
Display Description
DEV Setting the developing bias
TC Setting the transfer voltage
SC Setting the separation voltage
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