Xerox · Hardware / fuse fault
Xerox Fault Code 345-348: Fuse Fail
Xerox identifies fault 345-348 on the listed AltaLink/EC families as 'Fuse Fail.' The published user action is a controlled power cycle.
Start herePower the printer off, wait two minutes, and power it back on. If 345-348 returns, use Xerox support/service rather than repeatedly resetting the device.
What to check
Step 1
Record fault code 345-348 and the exact model.
This article applies to the listed AltaLink C80xx and EC80xx family.
Step 2
Power the printer off normally.
Do not interrupt an active firmware update or other service procedure.
Step 3
Wait two minutes, then power it on.
This is the user action linked by Xerox for this fault.
Step 4
If the code returns, escalate.
The public Xerox article does not provide a user disassembly procedure for this fault.
Verified sources
Printer Triage is an independent troubleshooting reference and is not affiliated with Xerox. Use the exact model's manufacturer documentation when instructions differ.