Minolta Magicolor 3100 Series - Manual (Page 221)

Chapter 3 Removal and Replacement Procedures
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RRP8.4 BTR UNIT ASSY (PL8.1.12)
Figure: BTR UNIT ASSY Removal (1)
Figure: BTR UNIT ASSY Removal (2)
Removal
1) Release the latch at A from the printer and open the FRONT ASSY IN (PL5.1.1).
2) Holding the right and left knobs securing the BRT UNIT ASSY (PL8.1.12) to the FRONT ASSY IN of
the printer, unlock and rotate the BTR UNIT ASSY rearward.
3) Extract the BTR UNIT ASSY frontward from the FRONT ASSY IN and remove.
Replacement
Replace the components in the reverse order of removal.