Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest page 468

COPIER> ADJUST> HV-TR
1TR-TK12 Adj Bk Pry Trns ATVC tgt crrnt:1/2 speed
Lv.2 Details To adjust the offset of the target current value for pure black upon
primary transfer ATVC control at 1/2 speed.
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 inappropriate primary transfer current
setting 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.
Display/adj/set range -10 to 10
Default value 0
1TR-TGY3 Adj Y Pry Trns ATVC tgt crrnt:1/3 speed
Lv.2 Details To adjust the offset of the target current value for Y upon primary
transfer ATVC control at 1/3 speed.
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 inappropriate primary transfer current
setting 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.
Display/adj/set range -10 to 10
5
Default value 0
1TR-TGM3 Adj M Pry Trns ATVC tgt crrnt:1/3 speed
Lv.2 Details To adjust the offset of the target current value for M upon primary
transfer ATVC control at 1/3 speed.
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 inappropriate primary transfer current
setting 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.
Display/adj/set range -10 to 10
Default value 0
5-240
COPIER> ADJUST> HV-TR
1TR-TGC3 Adj C Pry Trns ATVC tgt crrnt:1/3 speed
Lv.2 Details To adjust the offset of the target current value for C upon primary
transfer ATVC control at 1/3 speed.
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 inappropriate primary transfer current
setting 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.
Display/adj/set range -10 to 10
Default value 0
1TR-TK13 Adj Bk Pry Trns ATVC tgt crrnt:1/3 speed
Lv.2 Details To adjust the offset of the target current value for pure black upon
primary transfer ATVC control at 1/3 speed.
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 inappropriate primary transfer current
setting 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.
Display/adj/set range -10 to 10
Default value 0
1TR-TK42 Adj clr Bk Pry Trn ATVC tgt crrnt:1/2SPD
Lv.2 Details To adjust the offset of the target current value for Bk (color) upon
primary transfer ATVC control at 1/2 speed.
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 dots 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 inappropriate primary transfer current
setting 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.
Display/adj/set range -10 to 10
Unit 2 micro A
Default value 0