Canon imageRUNNER ADVANCE C5000 Series Technical Workbook page 71

Symptom
E025-0x20 occurred.
- E025-0x20: Toner container/toner container inserting inlet phase error (x=1: Y, 2: M, 3: C, 4: Bk)
Cause
The small door may be open when it is left open after service work or when shock is applied. In addition, the
small door may be open due to a failure in the toner insertion entrance cover sensor.
Service work
1) Open the front upper cover. If the small door is open, make sure that the toner bottle is inserted correctly
and close the small door.
2) Turn off/on the main power switch.
3) If the error occurs even with the small door closed, proceed to step 4). If the machine is started normally,
the work is completed here.
4) Turn off the main power switch, remove 2 hinge pins [1], and remove the front upper cover [2].
5) Remove 4 screws [1], 2 claws [2], and 3 protrusions [3]. Then remove the toner container replacement
unit inner cover [4].
6) Replace the toner insertion entrance cover sensor [1] of the relevant color. Then install the parts by
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