Fuji Xerox DocuPrint M355df Service Manual page 246

15 Release the four hooks that fix the FRAME TOP MSI (PL13.1.3), and then remove the FRAME
TOP MSI from the printer.
16 Remove the COVER MCU (PL18.1.5) by releasing the hook, disengage the connectors (P/J12)
(P/J14) from the PWBA MCU, and then release the harness of the TRANSPORT ASSY-REGI
FDR LOW from the harness guide.
Chapter 4 Disassembly / Assembly and Adjustment
4-72
4.2 Removal / Replacement