Kyocera TASKalfa 250, TASKalfa300, TASKalfa400, TASKalfa500ci TroubleShooting [UK]

Troubleshooting Guide

ERROR CODE C710X IN TASKALFA 500CI SERIES

(ADDITIONAL INFORMATION FOR 2H7-0041-8952)

This document was developed as a support document and in no way replaces any service manuals or bulletins we may otherwise produce Information
contained in this document is believed to be accurate at the date of publication but it is not guaranteed that such information is accurate at the date of
receipt or will remain so in the future.
Please note the legal instructions on the last page!

CHECKING POINT FOR ERROR C710X IN TASKALFA 500CI SERIES

(ADDITIONAL INFORMATION FOR 2H7-0041-8952)

The toner sensor value becomes lower than “100” even after a few days from changing the
developer units. We can see the toner sensor value by U155.

There are different reasons why this phenomenon might happen.

1st reason:

The relay board which is shown by red circle in the following picture might be broken by

repeated detaching of DV.

Countermeasure:
Change the relay board.

29.10.2012

2 KYOCERA Document Solutions Deutschland GmbH | 04.04.2012