Minolta Magicolor 3100 Series - Manual (Page 265)

Chapter 3 Removal and Replacement Procedures
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RRP12.6 PWBA HNB DRV (PL12.1.12)
Figure: PWBA HNB DRV Removal
Removal
1) Remove the COVER TOP MAIN. (RRP1.4)
2) Remove the COVER ASSY FRONT IN. (RRP1.10)
3) Remove the COVER SIDE R. (RRP1.9)
4) Remove all connectors on the PWBA HNB DRV from the right side surface of the printer.
5) Remove 4 screws securing the PWBA HNB DRV to the printer.
6) Remove the PWBA HNB DRV from the printer.
Replacement
Replace the components in the reverse order of removal.