Canon imageRUNNER ADVANCE C2030 Service Manual page 622

COPIER > ADJUST > HV-PRI
USUB-YAC Adj Y/M/C Upstream Auxlry Brush AC bias
Lv.2 Details To adjust the AC bias applied to the Y/M/C-color Upstream Auxiliary
Brush.
In a low humidity environment (e.g. winter in North America or
Japan), the output may not be changed by increasing the value.
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 -2 to 2
Unit 100 V
Default value 0
USUB-KAC Adj Bk Upstream Auxiliary Brush AC bias
Lv.2 Details To adjust the AC bias applied to the Bk-color Upstream Auxiliary
Brush.
In a low humidity environment (e.g. winter in North America or
Japan), the output may not be changed by increasing the value.
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 -2 to 2
Unit 100 V
Default value 0
USUB-YDC Adj Y/M/C Upstream Auxlry Brush DC bias
Lv.2 Details To adjust the DC bias applied to the Y/M/C-color Upstream Auxiliary
Brush.
In a low humidity environment (e.g. winter in North America or
Japan), the output may not be changed by increasing the value.
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 -5 to 5
Unit 20 V
Default value 0
USUB-KDC Adj Bk Upstream Auxiliary Brush DC bias
Lv.2 Details To adjust the DC bias applied to the Bk-color Upstream Auxiliary
Brush.
In a low humidity environment (e.g. winter in North America or
Japan), the output may not be changed by increasing the value.
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 -5 to 5
Unit 20 V
Default value 0
8
Service Mode > COPIER > ADJUST > HV-PRI
8 Service Mode > COPIER > ADJUST > HV-PRI
COPIER > ADJUST > HV-PRI
DIS-TGY Dischg crrnt ctrl Y tgt crrnt adj:1/1SPD
Lv.2 Details To adjust the offset of the Y target current at discharge current
control in plain paper (1/1 speed).
Use case When a image failure (sand-like image) 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 Do not use this when the machine is operating correctly.
Display/adj/set range -10 to 10
Unit Approx. 3 micro A
Appropriate target value -5 to 5
Default value 0
DIS-TGM Dischg crrnt ctrl M tgt crrnt adj:1/1SPD
Lv.2 Details To adjust the offset of the M target current at discharge current
control in plain paper (1/1 speed).
Use case When a image failure (sand-like image) 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 Do not use this when the machine is operating correctly.
Display/adj/set range -10 to 10
Unit Approx. 3 micro A
Appropriate target value -5 to 5
Default value 0
DIS-TGC Dischg crrnt ctrl C tgt crrnt adj:1/1SPD
Lv.2 Details To adjust the offset of the C target current at discharge current
control in plain paper (1/1 speed).
Use case When a image failure (sand-like image) 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 Do not use this when the machine is operating correctly.
Display/adj/set range -10 to 10
Unit Approx. 3 micro A
Appropriate target value -5 to 5
Default value 0
8-70
8-70