Repair information 4-21
5025-2xx, 4xx
Developer unit removal
The developer units are not FRUs.
1. Open the toner access door.
2. Remove the toner cartridges.
3. Remove the imaging unit. See “Imaging unit (IU) removal”.
Warning: Do not touch the underside of the imaging unit. This could damage the developer units.
4. Remove the developer unit you need or remove all of them.
Duplex sensor removal
See “photo sensors” on page 7-7 for the part number.
1. Open the front cover.
2. Remove the right cover assembly. See “Right cover assembly removal” on page 4-10.
3. Remove the waste toner bottle. See “Waste toner bottle removal” on page 4-60.
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