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Confidential
■ Error code 20 (K)
Error code 21 (Y)
Error code 22 (M)
Error code 23 (C)
Laser diode error.
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
■ Error code 24
Internal temperature sensor error.
Print Unable 20
Turn the power off and then back on again.
Print Unable 21
Turn the power off and then back on again.
Print Unable 22
Turn the power off and then back on again.
Print Unable 23
Turn the power off and then back on again.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Print Unable 24
Turn the power off and then back on again.
Step Cause Remedy
1 Harness connection failure of
internal temperature sensor
Check the harness connection of internal
temperature and reconnect it.
2 Internal temperature sensor
failure
Replace the internal temperature sensor.
3 Main PCB failure Replace the main PCB ASSY.
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