Canon imageRUNNER ADVANCE C5500 Series, Service Manual, Page: 753 / 1331

COPIER > DISPLAY > HV-STS
1ATVC-K4 2 Dspl prmry trns current(Bk):full clr mod
Detail To display the decuple value of the current flown to the Primary Transfer Roller (Bk) by the primary
transfer ATVC control in full color mode.
When the two values are out of the target value range (50 to 700), clear the log information for the
appropriate control (COPIER> FUNCTION> CLEAR> 1TR-CLR).
If the two values are both small, the Primary Transfer Roller may have reached the end of life.
Use Case When estimating the life of Primary Transfer Roller based on the displayed value
Adj/Set/Operate Method N/A (Display only)
Display/Adj/Set Range 0 to 900
Unit uA
Appropriate Target Value 50 - 700
Related Service Mode COPIER> FUNCTION> CLEAR> 1TR-CLR
Amount of Change per
Unit
1
2ATVC 2 Dspl secondary transfer ATVC tgt current
Detail To display the decuple value of the current flowed to the Secondary Transfer Outer Roller derived
from the secondary transfer ATVC control.
As the Secondary Transfer Outer Roller gets closer to the end of life, the value is decreased.
When both values are smaller, the roller may have reached the end of life.
Use Case When identifying the cause at the occurrence of an image failure
Adj/Set/Operate Method N/A (Display only)
Display/Adj/Set Range 0 to 900
Unit uA
Appropriate Target Value 50 - 700
Amount of Change per
Unit
1
■ CCD
COPIER > DISPLAY > CCD
TARGET-B 2 Shading target value (B)
Detail To display the shading target value of Blue.
Continuous display of 0 (minimum) or 65535 (maximum) is considered a failure of the Reader
Controller PCB.
When the value is out of the target value range, image failure or E302 (shading error) may have
occurred. Identify the cause according to the value.
Use Case
- When replacing the Reader Controller PCB
- At scanned image failure
Adj/Set/Operate Method
N/A (Display only)
Display/Adj/Set Range 0 to 65535
Appropriate Target Value 512 - 2047
TARGET-G 2 Shading target value (G)
Detail To display the target value of Green.
Continuous display of 0 (minimum) or 65535 (maximum) is considered a failure of the Reader
Controller PCB.
When the value is out of the target value range, image failure or E302 (shading error) may have
occurred. Identify the cause according to the value.
Use Case - When replacing the Reader Controller PCB
- At scanned image failure
Adj/Set/Operate Method N/A (Display only)
Display/Adj/Set Range 0 to 65535
Appropriate Target Value 512 - 2047
8. Service Mode
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