Canon imageRUNNER ADVANCE 9070 PRO series Service Manual Digest page 86

E Detailed Occurance Items
code code area
E032 -0001 -00 Title
Description
of detection
Measures
E061 -0001 -05 Title
Description
of detection
Measures
3
E061 -0002 -05 Title
Description
of detection
Measures
3-60
Description
Counter of NE controller is not working
Disconnection of the count pulse signal is detected
Cable disconnection
Primary charging bias (Bk) lower limit error
At initial rotation, the drum surface potential Vd at
potential control is less than 30 V.
• Primary charging bias (Bk) is not properly applied.
• The drum does not rotate correctly.
1. Check whether the primary charging assembly is
properly installed or connected. (Connection of the
connector, Shorting, Wire caught by parts)
2. Check whether the primary charging high-voltage PCB
(Bk) is properly installed or connected. (Connection of
the connector, Shorting, Wire caught by parts)
3. Check whether the drum motor (Bk) is properly
installed or connected. (Connection of the connector,
Shorting, Wire caught by parts)
4. Replace the parts.
• Primary charging assembly
• Primary charging high-voltage PCB (Bk)
• Drum/ITB drive motor
• DC controller interface PCB
• DC controller PCB
Potential sensor offset adjustment error
When the result of potential sensor offset adjustment is
more than +/-30 V.
1. Check whether the potential sensor offset adjustment
tool is properly installed.
2. Replace the potential sensor.
E Detailed Occurance Items
code code area
E061 -0003 -05 Title Potential control Vd failure
Description At the time of measurement of Vd at potential control,
of detection the value is more than +50 V or less than -200 V against
Vgrid.
• Drum cleaning pre-exposure is not performed correctly.
• Primary charging is not performed correctly.
• The drum is reaching the end of life.
Measures 1. Check the connection of the drum cleaning pre-
2. Check the connection of the primary charging
3. Replace the parts.
E061 -0004 -05 Title Laser power shortage error
Description At the time of measurement of 8 bright section potential
of detection VI at potential control, the grid bias Vgrid is more than
100 V at least at one point.
• Dirt is applied to the dust prevention glass.
• Laser is not applied correctly.
Measures 1. Clean the dust prevention glass.
2. Check the connection of the laser scanner unit.
3. Replace the parts.
Description
exposure LED.
assembly.
• Check whether the grid plate is properly installed.
• Check whether the shield plate is not soiled by
toner. -> Clean the shield plate.
• Check whether disconnection of the connector or
shorting does not occur or the wire is not caught
by parts.
• Drum cleaning pre-exposure LED
• Primary charging assembly
• Drum (Checking can be performed by COPIER>
DISPLAY>DPOT>D-CONT-K. Estimated life is
150,000 or less.)
(Connection of the connector, Shorting, Wire caught by
parts)
• Laser scanner unit (Bk)
• Laser interface PCB