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Troubleshooting Analysis Guide (TAGs) 3-107
P31-22 to P79-22,
P31-24 to P79-24,
P31-26 to P79-26,
P31-28 to P79-28, and
P31-32 to P79-32.
Is there continuity on each?
No: Replace wire harness W46, then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.
20
Check for continuity to ground:
P31-20,
P31-22,
P31-26, and
P31-32.
Is there continuity to ground on any?
No: Replace the disk drive assembly, then turn to TAG 002: Check & Problem Resolution.
Yes: Replace wire harness W46.
21
Is error code 130, 131, 133, or 134 displayed?
No: Continue.
Yes: Replace the PCL board, then turn to TAG 002: Check & Problem Resolution.
22
Can the printer run test prints?
No: Continue.
Yes: 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.
23
Turn the printer off and unplug the power cord.
• Disconnect J/P31 and J/P79.
• Check P31-34 to P79-34 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.