3 - 197Chapter 3 Removal and Replacement Procedures (RRPs)RRP6.4 2ND BTR ASSY (PL 6.1.10)[Removal]1) Open COVER FRONT-U (PL 1.1.14).2) Open TOP COVER (PL 1.1.1).3) Remove IBT (PL 7.1.1).When carrying out the work shown below, push LATCH ROTARY (PL 9.1.3) ofDEVELOPER LATCH ASSEMBLY (PL 9.1.1) to release the latch, turn DEVELOPERROTOR FRAME ASSEMBLY(PL 9.2.9) manually, move HOUSING ASSY-DEVE, andavoid your hand or arm being stained by the toner of MAG ROLL.4) Turn the lever on both left and right sides of 2ND BTR ASSY (PL 6.1.10) toward you, andrelease the lever lock from BIAS TRANSFER ROLL(BTR) FRAME ASSEMBLY (PL 6.1.5).5) Hold lever of 2ND BTR ASSY and pull out the right side of 2ND BTR ASSY from BIASTRANSFER ROLL(BTR) FRAME ASSEMBLY, pull out the left side and remove 2ND BTRASSY from the main unit.[Replacement]When carrying out the work shown below, push LATCH ROTARY (PL 9.1.3) ofDEVELOPER LATCH ASSEMBLY (PL 9.1.1) to release the latch, turn DEVELOPERROTOR FRAME ASSEMBLY(PL 9.2.9) manually, move HOUSING ASSY-DEVE, andavoid your hand or arm being stained by the toner of MAG ROLL.When carrying out the work shown below, make sure to place the right side shaft sectionof 2ND BTR ASSY underneath the terminal section of PLATE BIAS-2ND ASSY (PL6.1.23).1) After placing the left side gear of 2ND BTR ASSY (PL 6.1.10) to the main unit, engage theright and left bearings of 2ND BTR ASSY with BIAS TRANSFER ROLL(BTR) FRAMEASSEMBLY (PL 6.1.5) and attach it.After attaching 2ND BTR ASSY, make sure that the levers located at both left and rightmove smoothly up and down.2) Turn the levers located at both left and right of 2ND BTR ASSY downward, and lock thelevers to BIAS TRANSFER ROLL(BTR) FRAME ASSEMBLY.3) Attach IBT (PL 7.1.1).4) Close TOP COVER (PL 1.1.1).5) Close COVER FRONT-U (PL 1.1.14).
