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E02d00/ E02d01/ E02d0a/ E02d0b/ Sensor Error In Purge Unit; E02d02/ Carriage Homeposition Error; E02d03/ Feed Motor Error; E02d05/ Air Flow Fan Error - Canon W6400 Series Service Manual

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1. Operation check
Close the paper release lever firmly.
2. Visual check
Replace the paper release lever if it is damaged, deformed, or otherwise does not function normally.
3. Pinch roller pressure sensor
Check operation using SERVICE MODE>I/O DISPLAY, and replace if anything does not function normally.
4. Cable connection check
Replace the cable between the pinch roller pressure sensor and engine controller if the connection is not functioning normally.
5. Replace the engine controller.
6. Replace the system controller.

6.1.4.22 E02D00/ E02D01/ E02D0A/ E02D0B/ Sensor error in purge unit

<Cause>
This is displayed when sensors in the purge unit could not detect the positions of the motors within the prescribed time.
<Probable problem locations>
Purge unit, engine controller, system controller
<Remedy>
1. Homeposition sensor
Check operation using SERVICE MODE>I/O DISPLAY, and replace the purge unit if anything does not function normally.
2. Cable connection check
Replace the cable between the sensors and engine controller if the connection is not functioning normally.
3. Replace the engine controller.
4. Replace the system controller.

6.1.4.23 E02D02/ Carriage homeposition error

<Cause>
This is displayed when the carriage homeposition / head height sensor could not detect the carriage within the prescribed time.
<Probable problem locations>
Foreign object in carriage contact section, carriage homeposition / head height sensor, linear scale, linear encoder, engine controller, system controller
<Remedy>
1. Visual check
Remove any foreign objects adhering to the carriage contact section, carriage homeposition / head height sensor, linear scale, and linear sensor.
2. Carriage homeposition / head height sensor
Check operation using SERVICE MODE>I/O DISPLAY, and replace if anything does not function normally.
3. Cable connection check
Replace the cable between the carriage homeposition / head height sensor and engine controller if the connection is not functioning normally.
4. Replace the linear scale.
5. Replace the linear encoder.
6. Replace the engine controller.
7. Replace the system controller.

6.1.4.24 E02D03/ Feed motor error

<Cause>
This is displayed when the feed motor could not reach the prescribed speed within the prescribed time or the feed roller encoder could not detect the
prescribed number of steps from the encoder slit.
<Probable problem locations>
Feed roller encoder, encoder slit, feed motor, engine controller and system controller
<Remedy>
1. Visual check
Remove any foreign objects adhering to the feed roller encoder and encoder slit.
2. Replace the feed roller encoder.
3. Cable connection check
Replace the cable connecting the feed roller encoder and the engine controller if the connection is not functioning normally.
4. Replace the feed motor.
5. Cable connection check
Replace the cable between the feed motor and the engine controller if the connection is not functioning normally.
6. Replace the engine controller.
7. Replace the system controller.

6.1.4.25 E02D05/ Air flow fan error

<Cause>
Fan rotation could not be detected while the air flow fan was running.
<Probable problem locations>
Air flow fan, engine controller and system controller
<Remedy>
1. Cable connection check
Replace the cable connecting the air flow fan and engine controller if the connection is not functioning properly.
2. Replace the air flow fan.
3. Replace the engine controller.
Chapter 6
0008-6524
0008-6525
0008-6527
0008-6528
6-11

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