The differences in the lower/mid chassis assembly are the different interface option on the main logic board (MLB).
Tools Required
Parts Required
FRE,Chassis Bottom Cover, Black, USB
FRE,Chassis Bottom Cover, Black, USB+RS232
FRE,Chassis Bottom Cover, Black, USB+Ethernet
FRE,Chassis Bottom Cover, Black, USB+RS232+Ethernet (Not available)
Upper Chassis Assembly Removal
1. Flip printer over and remove the 4 mounting screws. See Figure 1.
2. Disconnect stepper motor assembly cable from the MLB. See Figure 18.
3. Remove stepper motor assembly mounting screws. See Figure 19.
Lower Chassis Assembly
OPERATION:
PC42d Service Repair Manual PC42d
L3-GLBL-RPR-4260
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