Parts catalog 7-57
7558-xxx
Assembly 55: Electrical 1
Asm-
index
Part
number
Units/
mach
Units/
FRU
Description
55-1 40X6728 1 1 Controller cooling fan
2 40X6729 1 1 Suction fan
3 40X6733 1 2 Suction fan duct
4 40X6732 1 1 HCF interface contact
5 40X6730 1 1 Upper printer engine PCBA
Warning: Upon replacement, ensure that the NVM EPROM is
removed from the defective PCBA and installed to the new
PCBA or damage to the machine may occur. For more details,
go to “Upper engine PCBA reinstallation” on page 4-188.
6 40X6731 1 1 Lower engine PCBA
7 40X7500 1 1 RIP card PCBA (MFP)
8 40X7464 1 1 Bridge PCBA (MFP)