Head Management Sensor - Canon WS8400 Service Manual

Chapter 4

4.3.11 Head management sensor

a) Removing the head management sensor
1) When removing the head management sensor [1], remove one screw [2].
2) Take the head management sensor out of the printer, and then disconnect the connector [3].
b) Action to take after replacing the head management sensor
Since the distance between the head management sensor and the carriage unit varies between printers, the optical axis is factory-adjusted to tune the no
ink jet detection position. Therefore, when you have replaced head management sensor, adjustment is required.
User the service mode under the following conditions:
SERVICE MODE > ADJUST > NOZZLE CHK POS. > YES
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[1]
[2]
[3]
F-4-58
[2]
[1]
[3]
F-4-59
0009-9439