Lexmark C935 - Upper Printer Engine Card Assembly Re-Installation

Repair information 4-91
5057-XXX
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Replacement warning: When reinstalling the upper printer engine card assembly (B), ensure that the NVM
board (D) is installed on the new upper printer engine card assembly (B), or the machine may not function
properly.
Replacement warning: Ensure that the bridge card assembly (C) and the lower printer engine card (D) are
connected.
Note: Perform color registration adjustment.
Upper printer engine card assembly re-installation
1.
Install the NVM board from the defective PCBA to the replacement PCBA.
Warning: Ensure that the NVM board (D) is installed on the new upper printer engine card assembly, or the
machine may not function properly.
2. Install the replacement upper printer engine card assembly to the machine.
Warning: Ensure that the bridge card assembly and the lower printer engine card are connected.
D
B
Bottom view
WARNING
Failure to perform this procedure correctly may cause:
• damage to the replacement PCBA
• loss of memory settings
D
B
Bottom view