Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest page 449

COPIER> ADJUST> HV-PRI
OFSTACY2 Adjust Y charge AC voltage (1/2 speed)
Lv.1 Details To adjust the offset of the charge AC voltage for Y at 1/2 speed.
As the value is incremented by 1, the offset is increased by 20 Vpp.
Increase the value when the density is low and decrease the value
when the density is high or a spotted image occurs.
Use case • At the occurrence of an image density failure
• At the occurrence of a spotted image
Adj/set/operate method Enter the setting value, and then press OK key.
Caution Do not use this when the machine is operating correctly.
Display/adj/set range -20 to 20
Unit 20 Vpp
Default value 0
Related service mode COPIER> ADJUST> HV-PRI> OFSTACM2, OFSTACC2
OFSTACM2 Adjust M charge AC voltage (1/2 speed)
Lv.1 Details To adjust the offset of the charge AC voltage for M at 1/2 speed.
As the value is incremented by 1, the offset is increased by 20 Vpp.
Increase the value when the density is low and decrease the value
when the density is high or a spotted image occurs.
Use case • At the occurrence of an image density failure
• At the occurrence of a spotted image
Adj/set/operate method Enter the setting value, and then press OK key.
Caution Do not use this when the machine is operating correctly.
Display/adj/set range -20 to 20
Unit 20 Vpp
Default value 0
Related service mode COPIER> ADJUST> HV-PRI> OFSTACY2, OFSTACC2
OFSTACC2 Adjust C charge AC voltage (1/2 speed)
Lv.1 Details To adjust the offset of the charge AC voltage for C at 1/2 speed.
As the value is incremented by 1, the offset is increased by 20 Vpp.
Increase the value when the density is low and decrease the value
when the density is high or a spotted image occurs.
Use case • At the occurrence of an image density failure
• At the occurrence of a spotted image
Adj/set/operate method Enter the setting value, and then press OK key.
Caution Do not use this when the machine is operating correctly.
Display/adj/set range -20 to 20
Unit 20 Vpp
Default value 0
Related service mode COPIER> ADJUST> HV-PRI> OFSTACY2, OFSTACM2
COPIER> ADJUST> HV-PRI
OFSTACY3 Adjust Y charge AC voltage (1/3 speed)
Lv.1 Details To adjust the offset of the charge AC voltage for Y at 1/3 speed.
As the value is incremented by 1, the offset is increased by 20 Vpp.
Increase the value when the density is low and decrease the value
when the density is high or a spotted image occurs.
Use case • At the occurrence of an image density failure
• At the occurrence of a spotted image
Adj/set/operate method Enter the setting value, and then press OK key.
Caution Do not use this when the machine is operating correctly.
Display/adj/set range -20 to 20
Unit 20 Vpp
Default value 0
Related service mode COPIER> ADJUST> HV-PRI> OFSTACM3, OFSTACC3
OFSTACM3 Adjust M charge AC voltage (1/3 speed)
Lv.1 Details To adjust the offset of the charge AC voltage for M at 1/3 speed.
As the value is incremented by 1, the offset is increased by 20 Vpp.
Increase the value when the density is low and decrease the value
when the density is high or a spotted image occurs.
Use case • At the occurrence of an image density failure
• At the occurrence of a spotted image
Adj/set/operate method Enter the setting value, and then press OK key.
Caution Do not use this when the machine is operating correctly.
Display/adj/set range -20 to 20
Unit 20 Vpp
Default value 0
Related service mode COPIER> ADJUST> HV-PRI> OFSTACY3, OFSTACC3
OFSTACC3 Adjust C charge AC voltage (1/3 speed)
Lv.1 Details To adjust the offset of the charge AC voltage for C at 1/3 speed.
As the value is incremented by 1, the offset is increased by 20 Vpp.
Increase the value when the density is low and decrease the value
when the density is high or a spotted image occurs.
Use case • At the occurrence of an image density failure
• At the occurrence of a spotted image
Adj/set/operate method Enter the setting value, and then press OK key.
Caution Do not use this when the machine is operating correctly.
Display/adj/set range -20 to 20
Unit 20 Vpp
Default value 0
Related service mode COPIER> ADJUST> HV-PRI> OFSTACY3, OFSTACM3
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