Canon imageRUNNER ADVANCE C5500 Series, Service Manual, Page: 864 / 1331

COPIER > ADJUST > HV-TR
1TR-TK42 2 Adj clr Bk pry trns ATVC tgt crrnt:L-SPD
Detail To adjust the target current of primary transfer ATVC control for Bk-color at low process speed in
color mode.
Increase the value when low-voltage mottled image occurs, and decrease the value when fogging
occurs (especially in the 95 mm portion of the image leading edge).
By setting this item, primary transfer ATVC control is automatically executed during initial rotation
for next image formation and the setting value is reflected.
Use Case When an image failure due to the primary transfer occurs in color mode
Adj/Set/Operate Method 1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Execute 1ATVC-EX.
Display/Adj/Set Range -50 to 50
Unit uA
Default Value 0
Related Service Mode COPIER> FUNCTION> MISC-P> 1ATVC-EX
Amount of Change per
Unit
2
1TR-TK43 2 Adj clr Bk pry trns ATVC tgt crrnt:M-SPD
Detail To adjust the target current of primary transfer ATVC control for Bk-color at middle process speed
in color mode.
Increase the value when low-voltage mottled image occurs, and decrease the value when fogging
occurs (especially in the 95 mm portion of the image leading edge).
By setting this item, primary transfer ATVC control is automatically executed during initial rotation
for next image formation and the setting value is reflected.
Use Case When an image failure due to the primary transfer occurs in color mode
Adj/Set/Operate Method 1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Execute 1ATVC-EX.
Caution This item is enabled only when using heavy paper 1 (106 to 128 g/m2) with 60 ppm machine.
Display/Adj/Set Range -50 to 50
Unit uA
Default Value 0
Related Service Mode COPIER> FUNCTION> MISC-P> 1ATVC-EX
T2TR-LNG 2 Adj of lead edge weak bias apply length
Detail To adjust the length (distance from the leading edge of paper) to apply leading edge weak bias.
Increase the value when white spots occur in a broad area of the leading edge of paper.
Use Case When an image failure (white spots at the leading edge) occurs
Adj/Set/Operate Method
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Turn OFF/ON the main power switch.
Caution
Use this item only when an image failure occurs.
Display/Adj/Set Range
-50 to 50
Unit
mm
Default Value 0
Amount of Change per
Unit
0.1
8. Service Mode
850