Sharp AR-M550N Service Manual page 127

3) Turning the MG roller, take out the old developer.
4) Insert the new developer.
a-2. DV seal
1) Take out the developing tank. (See "a. Developing unit" in this sec-
tion)
2) Take out the old DV seal.
3) Wipe the sealing face with alcohol.
4) Affix the new DV seal at the reference position.
AR-M550/M620/M700 DETAILS OF EACH SECTION 6 - 72
a-3. MG holders F and R
1) Take out the developing tank. (See "a. Developing unit" in this sec-
tion)
2) Remove the DV cover. (See "a-1. Developer" in this section)
3) Remove the doctor cover.
4) Remove the DV cover front.
5) Remove the bias line and main pole position adjusting plate and
screws.
6) Remove the MG gear and screws.
7) Remove the side seals F and R.