E025-0X20 Due To The Small Door Left Open And No Detection Of The Toner Insertion Entrance Cover Sensor - Canon imageRUNNER ADVANCE C5000 Series Technical Workbook

c-36) Remove the one-way gear unit [1]. Check if there is no breakage or the parallel pins are securely fitted.
There are 2 parallel pins. Remove the one-way gear unit [1] and 50T gear [2] to check them.
c-37) If the one-way gear has a crack, prepare a new type 18T one-way gear (FU6-0584-000) with increased
strength, and replace the old one with the new type. Photo [A] is a new type whereas [B] is an old type.
c-38) Assemble the parts in reverse order from step c-36) to c-1).
Symptom

E025-0x20 due to the small door left open and no detection of the toner insertion entrance cover sensor

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