TAG 500: +5 Vdc Power Malfunction
June 1999 Troubleshooting Analysis Guide (TAGs) 3-115
14
Turn the printer off.
• Disconnect J/P42.
• Check P42-1 for continuity to ground.
Is there continuity to ground?
No: Replace the operator panel circuit board, then turn to TAG 002: Check & Problem Reso-
lution.
Yes: Repair or replace the connectors or wiring from P94-1 to J/P90-1 to P42-1, then turn to
TAG 002: Check & Problem Resolution.
15
Turn the printer off.
• Reconnect J/P330.
• Disconnect J/P331.
• Turn the printer on.
• Check J/P8-10 for +5 Vdc.
Is the voltage +5 Vdc?
No: Go to #17 in this TAG.
Yes: Continue.
16
Turn the printer off.
• Reconnect J/P331.
• Disconnect J/P306.
• Turn the printer on.
• Check J/P8-10 for +5 Vdc.
Is the voltage +5 Vdc?
No: Repair or replace the connectors or wiring from J331-3 to P306-3, then turn to TAG 002:
Check & Problem Resolution.
Yes: Replace the duplex control board #1, then turn to TAG 002: Check & Problem Resolu-
tion.
17
Turn the printer off.
• Reconnect J/P331.
• Disconnect J/P333.
• Turn the printer on.
• Check J/P8-10 for +5 Vdc.
Is the voltage +5 Vdc?
No: Go to #20 in this TAG.
Yes: Continue.
18
Does the printer have an attachment option?
No: Replace the signal interface board, then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
To Next Page
Loading...