Canon imageRUNNER ADVANCE C5500 Series Service Manual page 855

COPIER > ADJUST > HV-PRI
DIS-TGK2 2
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Unit
Default Value
Related Service Mode
Amount of Change per
Unit
OFSTAC-Y 1
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Unit
Default Value
Related Service Mode
Amount of Change per
Unit
Discharge crrnt ctrl Bk tgt crrnt: L-SPD
To adjust the offset of the target current of discharge current control for Bk-color at low process
speed.
As the value is changed by 1, the current is changed by 5 micro A.
When an image failure (sand-like image) occurs
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Turn OFF/ON the main power switch.
- Use OFSTACK2 only when an image failure is not alleviated with DIS-TGK2. In such case, be
sure to change the setting value of this item back to the original one. If both the settings are enabled,
an over discharge occurs.
- Do not use this item if adjustment has been made with OFSTACK2 first.
-10 to 10
uA
0
COPIER> ADJUST> HV-PRI> OFSTACK2
5
Adj Y-color charging AC voltage: H-SPD
To adjust the offset of the charging AC voltage for Y-color at high process speed.
The setting is applied to paper which paper weight is 128 g/m2 or less (excluding coated paper).
As the value is changed by 1, the voltage is changed by 20 Vpp.
Decrease the value when image smear occurs, and increase the value when an image failure
(sand-like image) occurs.
- When image smear occurs
- When an image failure (sand-like image) occurs
Enter the setting value (switch negative/positive by -/+ key) and press OK key.
- Use OFSTAC-Y only when an image failure is not alleviated with DIS-TGY. In such case, be sure
to change the setting value of DIS-TGY back to the original one. If both the settings are enabled,
an over discharge occurs.
- If the value is too large, the life of the Photosensitive Drum becomes shorter.
-20 to 20
V
0
COPIER> ADJUST> HV-PRI> DIS-TGY
20
841
8. Service Mode