11. Tech. Rep. Mode Field Service Ver. 1.0 Aug. 2005
154
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Adjustment / Setting
C. Image density
D. ATDC Sensor Gain
E. Grid Voltage Adjustment
Functions • To change the Vg and Vb of the engine to select the image density.
Use
• When the image density is high or low:
• With the Printing Density setting specified in User’s Choice as a reference point, the
density can be set to one of seven settings.
Adjustment
Range
• The default setting is “0”.
• The adjustment range is -3 mm to +3 mm. (in 1 mm increments)
Adjustment
Instructions
If the image density is high, decrease the setting value.
If the image density is low, increase the setting value.
Adjustment
Procedure
1. Call the Tech. Rep. Mode to the screen.
2. Touch the keys in this order: [Tech. Rep. Choice] → [Printer] → [Image density].
3. Press the Clear key and change the setting value using the 10-Key Pad.
4. Change the + or - sign using the Access key or * key.
5. Touch [END] to validate the new setting value.
Functions • To display the value automatically adjusted using function F8 and to change that value.
Use
• When the spare Developing Unit or the Imaging Unit has been temporarily used
<Current>
• ATDC control voltage automatically adjusted using function F8
<Job Setting>
• Normally, the value displayed here is the same as that displayed for Current.
NOTE
• If a Developing Unit other than a new one is installed, type in the setting for the
installed product.
Adjustment
Range
• The adjustment range is 0 to 255.
Adjustment
Procedure
1. Call the Tech. Rep. Mode to the screen.
2. Touch the keys in this order: [Tech. Rep. Choice] → [Printer] → [ATDC Sensor Gain].
3. Press the Clear key and change the setting value using the 10-Key Pad
4. Touch [END] to validate the new setting value.
Functions
• To change the Vg setting for sensitivity variations due to the durability of the PC Drum
and adjust the image density.
Use
• When the PC Drum Unit is replaced
• If a foggy background occurs, increase the setting value.
Adjustment
Range
• The default setting is “0”.
• The adjustment range is -2 to +2.
Adjustment
Procedure
1. Call the Tech. Rep. Mode to the screen.
2. Touch the keys in this order: [Tech. Rep. Choice] → [Printer] → [Grid Voltage Adjust-
ment].
3. Press the Clear key and change the setting value using the 10-Key Pad
4. Touch [END] to validate the new setting value.
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