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3-88 Troubleshooting Analysis Guide (TAGs)
42
Turn off the printer.
• Reconnect J/P310.
• Disconnect J/P320 and J/P322.
• Turn on the printer.
• Check J/P330-2 for +12 Vdc.
Is the voltage +12 Vdc?
No: Continue.
Yes: Go to #44 in this TAG.
43
Turn off the printer and unplug the power cord.
• Disconnect J/P312.
• Check for continuity to ground: P312-1 to P320-1, and P312-4 to P322-1
Is there continuity?
No: Replace the duplex control board #2, then turn to TAG 002: Check & Problem Resolu-
tion.
Yes: Repair or replace the connectors or wiring from P312-1 to P320-1, or P312-4 to P322-1,
then turn to TAG 002: Check & Problem Resolution.
44
Turn off the printer.
• Reconnect J/P320.
• Turn on the printer.
• Check J/P330-2 for +12 Vdc.
Is the voltage +12 Vdc?
No: Replace the restart side sensor, then turn to TAG 002: Check & Problem Resolution.
Yes: Replace the restart paper sensor, then turn to TAG 002: Check & Problem Resolution.
45
Turn off the printer.
• Reconnect J/P306.
• Disconnect J/P319 and J/P318.
• Turn on the printer.
• Check J/P330-2 for +12 Vdc.
Is the voltage +12 Vdc?
No: Go to #47 in this TAG.
Yes: Continue.
46
Turn off the printer.
• Reconnect J/P319.
• Turn on the printer.
• Check J/P330-2 for +12 Vdc.
Is the voltage at +12 Vdc?
No: Replace the paper path sensor, then turn to TAG 002: Check & Problem Resolution.
Yes: Replace the cover open sensor, then turn to TAG 002: Check & Problem Resolution.