Canon imageRUNNER ADVANCE C5051 Series Service Manual page 812

COPIER > ADJUST > HV-PRI
DIS-TGK Discharge crrnt ctrl Bk tgt crrnt:1/1SPD
Lv.2 Details To adjust the offset of the target current for Bk upon discharging
current control for plain paper at 1/1 speed.
Use case When an 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 uA
Default value 0
Related service mode COPIER>ADJUST>HV-PRI>OFSTAC-K
DIS-TGY2 Dischg crrnt ctrl Y tgt crrnt:1/2,1/3SPD
Lv.2 Details To adjust the offset of the target current for Y upon discharging
current control for plain paper at 1/2 and 1/3 speed.
Use case When an 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 uA
Default value 0
Related service mode COPIER>ADJUST>HV-PRI>OFSTACY2
DIS-TGM2 Dischg crrnt ctrl M tgt crrnt:1/2,1/3SPD
Lv.2 Details To adjust the offset of the target current for M upon discharging
current control for plain paper at 1/2 and 1/3 speed.
Use case When an 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 uA
Default value 0
Related service mode COPIER>ADJUST>HV-PRI>OFSTACM2
8
Service Mode > COPIER > ADJUST > HV-PRI
8 Service Mode > COPIER > ADJUST > HV-PRI
COPIER > ADJUST > HV-PRI
DIS-TGC2 Dischg crrnt ctrl C tgt crrnt:1/2,1/3SPD
Lv.2 Details To adjust the offset of the target current for C upon discharging
current control for plain paper at 1/2 and 1/3 speed.
Use case When an 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 uA
Default value 0
Related service mode COPIER>ADJUST>HV-PRI>OFSTACC2
DIS-TGK2 Dischg crrnt ctrl BKtgt crrnt:1/2,1/3SPD
Lv.2 Details To adjust the offset of the target current for Bk upon discharging
current control for plain paper at 1/2 and 1/3 speed.
Use case When an 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 uA
Default value 0
Related service mode COPIER>ADJUST>HV-PRI>OFSTACK2
OFSTAC-Y Adj Y charge AC voltage (1/1 speed)
Lv.1 Details To adjust the offset of the charge AC voltage for Y.
As the value is incremented by 1, the voltage value is increased by
20 Vpp.
Decrease the value when image smear occurs, and increase the
value when image failure (sand-like image) occurs.
Use case • When image smear occurs
• When an image failure (sand-like image) occurs
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
Caution • Do not use this when the machine is operating correctly.
• Use OFSTAC-Y only when image failure is not alleviated by
making adjustment with DIS-TGY. In this case, be sure to return
DIS-TGY to its original setting.
• If the value is too large, the life of the Photosensitive Drum
becomes shorter.
Display/adj/set range -20 to 20
Unit V
Default value 0
Related service mode COPIER> ADJUST> HV-PRI> DIS-TGY
8-112
8-112