TAG 130: Diskette/Disk Drive Malfunction
3-104 Troubleshooting Analysis Guide (TAGs) June 1999
5
Is error code 572 displayed?
No: Go to #7 in this TAG.
Yes: Continue.
6
Turn the printer off and unplug the power cord.
• Disconnect J/P31 and J/P79.
• Check P31-28 to P79-28 for continuity to ground.
Is there continuity?
No: Replace the disk drive assembly. If this resolves the problem, turn to TAG 002: Check &
Problem Resolution. If this does not resolve the problem, replace the IGS board, then turn
to TAG 002: Check & Problem Resolution.
Yes: Replace wire harness W46, then turn to TAG 002: Check & Problem Resolution.
7
Is error code 573 displayed?
No: Go to #13 in this TAG.
Yes: Continue.
8
Turn the printer on.
• Check J/P8-1 for +5 Vdc.
Is the voltage +5 Vdc?
No: Replace the DC power supply unit, then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
9
Check J/P77-4 for +5 Vdc.
Is the voltage +5 Vdc?
No: Repair or replace the connectors or wiring from P8-1 to P77-4, then turn to TAG 002:
Check & Problem Resolution.
Yes: Continue.
10
Check J/P8-3 for +12 Vdc.
Is the voltage +12 Vdc?
No: Replace the DC power supply unit, then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
11
Check J/P77-1 for +12 Vdc.
Is the voltage +12 Vdc?
No: Repair or replace the connectors or wiring from P8-3 to P77-1, then turn to TAG 002:
Check & Problem Resolution.
Yes: Continue.
12
Turn the printer off and unplug the power cord.
• Disconnect J/P31 and J/P79.
• Check for continuity to ground: P31-34 to P79-34, P31-32 to P79-32, P31-16 to P79-16, and
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