Kyocera C4200 Laser Scanner Error
What it means
The polygon motor inside the laser scanning unit is not reaching its working speed. This is internal hardware, not something a user setting affects, so beyond one power cycle it needs a service call.
Guides that cover this kind of fault
A guide written for C4200 itself is still being checked against the manufacturer's documentation. These cover the same underlying problem and are filed under maintenance.
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Common questions
What does the C4200 error mean on a Kyocera printer?
The polygon motor inside the laser scanning unit is not reaching its working speed. This is internal hardware, not something a user setting affects, so beyond one power cycle it needs a service call.
Is the C4200 error serious?
This one usually points at a hardware fault rather than something a setting will clear, so treat an unchanged result after a power cycle as a reason to contact the manufacturer rather than to keep trying.
Different code or problem?
Switch off and unplug a printer before reaching inside it. If a fault involves the power supply or internal electronics, or the machine is under warranty, contact the manufacturer or a qualified technician. Full disclaimer. Brand and code names are trademarks of their owners; PrinterFixUp is independent and unaffiliated.