Brother HL-2700CN Service Manual page 188

Sequence of Assembling
1) Put in the new transfer roller assy PU by holding the lock lever TR of the
transfer roller assy PU and adjusting the angle of the transfer roller lever shafts
(both sides) to match the transfer unit grooves. Put the transfer roller assy PU
onto the shafts and place the roller onto the springs as shown blow.
2) Push the lock lever TR down to lock the transfer roller assy PU into place.
3) Close the paper exit unit.
4) Turn the printer power switch back on.
Lock lever TR
5) After the replacement of the transfer roller assy, press the GO and + buttons
together to reset parts life. (With "PARTS RESET LIFE" menu, you can initialize
each of parts life. This is not open to other than the service personnel in
principal. You may let users know as necessary.) In details, please refer to
Appendix 6.2 "RESET PARTS
Transfer roller assy PU
Shaft
Fig.6-14
LIFE".
VI-17
Lock lever TR