Canon iPF9000S - Page 97

Chapter 4 More Sophisticated Fault Isolation Tasks
3-23
Lift motor
Carriage HP sensor
Coupling
iPF800/
iPF8000 Series
Coupling
Lift
motor
iPF700
Series
T01
Switch on
Operational
Replace the carriage unit
Does the carriage lift up
and down?
Faulty sensor detection system
Is the carriage in contact
with the edge of the HP?
Yes
No
Switch off and move the carriage
by hand; does the carriage hits
the edge of the HP?
Yes
No
Remove foreign matter
Is the carriage in contact
with the coupling?
Main unit not
rotating
Carriage side not rotating
Faulty lift motor and bundled
wires, and faulty gear
Replace the main PCB
iPF700/iPF800/iPF8000 Series
Flow 2
Faulty carriage encoder