Canon imageRUNNER C1335 Series Service Manual page 493

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COPIER> ADJUST> HV-TR
1TR-TK42
Bk-c pry trns ATVC tgt crrnt: other ppr
Details
To adjust the offset of the target current value for Bk-color (in full color
mode) upon primary transfer ATVC control for other types of papers.
Increase the value when spots, mottled image, or image failure due to
insufficient transfer current occurs.
Decrease the value when image fogging due to transfer memory or
drum memory due to strong transfer current occurs.
Use case
When an image failure due to the primary transfer occurs
Adj/set/operate method 1) Enter the setting value (switch negative/positive by -/+ key) and press
Start key.
2) Turn OFF/ON the main power switch.
Caution
To reflect the setting immediately, execute primary ATVC control.
Display/adj/set range
-50 to 50
Unit
2 uA
Default value
0
Related service mode
COPIER> FUNCTION> MISC-P> 1ATVC-EX
1TR-TK43
Bk-c pry trns ATVC tgt crrnt:pln/rcycl 3
Details
To adjust the offset of the target current value for Bk-color (in full color
mode) upon primary transfer ATVC control for plain paper 1, 2/recycled
paper 1, 2 (which paper width is smaller than A4), plain paper 3, or
recycled paper 3.
As the value is incremented by 1, the offset is increased by 2 micro A.
Increase the value if spots (white spots), leopard pattern image occurs.
Decrease the value if white spots occur.
Decrease the value if mottled image due to paper surface nature occurs
when paper type is heavy paper 1/2.
Use case
When an image failure due to the primary transfer occurs
Adj/set/operate method 1) Enter the setting value (switch negative/positive by -/+ key) and press
Start key.
2) Turn OFF/ON the main power switch.
Caution
To reflect the setting immediately, execute primary ATVC control.
Display/adj/set range
-50 to 50
Unit
2 uA
Default value
0
Related service mode
COPIER> FUNCTION> MISC-P> 1ATVC-EX
8
Service Mode > COPIER > ADJUST > HV-TR
8
Service Mode > COPIER > ADJUST > HV-TR
COPIER> ADJUST> HV-TR
2TR-N1-1
Sec trn ATVC ctrl ppr allot V: pln1 1st
Details
To adjust the paper allotted voltage applied to the 1st side of plain paper
1 at secondary transfer ATVC control.
When mottled image occurs, increase the value if it is due to insufficient
secondary transfer current and decrease the value if it is due to
overcurrent.
Use case
When adjusting the secondary transfer bias individually according to
paper type and 1st/2nd side
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and press
Start key.
Display/adj/set range
-128 to 127
Unit
30 V
Default value
0
2TR-N1-2
Sec trn ATVC ctrl ppr allot V: pln1 2nd
Details
To adjust the paper allotted voltage applied to the 2nd side of plain
paper 1 at secondary transfer ATVC control.
When mottled image occurs, increase the value if it is due to insufficient
secondary transfer current and decrease the value if it is due to
overcurrent.
Use case
When adjusting the secondary transfer bias individually according to
paper type and 1st/2nd side
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and press
Start key.
Display/adj/set range
-128 to 127
Unit
30 V
Default value
0
2TR-N2-1
Sec trn ATVC ctrl ppr allot V: pln2 1st
Details
To adjust the paper allotted voltage applied to the 1st side of plain paper
2 at secondary transfer ATVC control.
When mottled image occurs, increase the value if it is due to insufficient
secondary transfer current and decrease the value if it is due to
overcurrent.
Use case
When adjusting the secondary transfer bias individually according to
paper type and 1st/2nd side
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and press
Start key.
Display/adj/set range
-128 to 127
Unit
30 V
Default value
0
8-54
8-54

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