Specifications

6.12 50 ERROR
7. Swap the following FRUs:
• Fusing unit
• DC control board
• LVPSA
• HVPSA/Fuser interconnect
6.13 51 or 52 ERROR
Explanation: The 51 error indicates that, for a period of two seconds or more,
the DC control board failed to detect a beam detect signal.
The 52 error indicates that the DC control board failed to detect the
signal from the scanner motor driver board. The signal turns on the
scanner motor and the signal drives the synchronous scanner motor.
To clear either error, press .
Signal diagram reference: See Sections 6–3 and 2–10 for wiring diagrams.
Action: Do the following:
a. If the printer has been moved from a cold to a warm room, the optical
lenses might be misted by condensation. Allow about 6 hours for the mist
to evaporate.
b. Remove the top cover to inspect the scanner assembly connectors.
c. Make sure the connectors are fully plugged in, refer to Section 9.9 for the
location of the scanner connectors.
d. Make sure connectors J206 and J205 are correctly plugged in.
e. Swap the following FRUs:
• DC control board
• Scanner assembly
• Video control board
Power and Control Panel FIPs 6–17