Development Unit

Open the front cover.

MP 501/601: Push the button [A] and open the front cover [B].

SP 5300/5310: Open the upper cover [A], and then open the front cover [B].

Release the lock lever [A] by rotating it towards you, and then remove the toner cartridge [B].

Pull out the PCDU [A].

Release the hook, and then remove the container guide [A] by sliding it to the rear. (hook×1)

Disconnect the connector.

Release the hook [A] by pressing the lock lever, and then remove the development unit [B]. (hook×1)