Fix Samsung Error #U1-2320: Fuser Unit Error
critical Severity: critical
If your Samsung printer is displaying error #U1-2320, do not worry – this is a known issue with a proven fix. This error typically indicates fuser unit error that can usually be resolved without a service call. Follow the steps below to clear this error.
What Causes Samsung Error #U1-2320?
This error can be triggered by one or more of the following issues:
- Fuser unit malfunction
- Fuser overheating or underheating
- Fuser thermostat failure
- Power supply issue
How to Fix Samsung Error #U1-2320
Follow these steps in order. After each step, check whether the error has cleared before proceeding to the next one.
- Step 1: Turn off and unplug for 30 minutes
- Step 2: Plug back in and power on
- Step 3: If the error clears, monitor for recurrence
- Step 4: If persistent, the fuser needs replacement
- Step 5: Samsung printers are now supported by HP — contact HP support for parts
Affected Samsung Printer Models
The following Samsung printer models are known to display error #U1-2320:
- Samsung Xpress M2020W
- Samsung Xpress M2070FW
- Samsung ProXpress M4070FR
- Samsung Xpress C1860FW
- Samsung Xpress M2830DW
- Samsung ProXpress M3870FW
- Samsung Xpress C480FW
Related Samsung Error Codes
If you are troubleshooting error #U1-2320, these related error codes may also be relevant:
- LSU Error – Laser Scanner Unit Error
- #H1-1252 – Paper Path Error
- #C2-1112 – Toner Cartridge Error
- #M2-1513 – Paper Feed Error
- #M1-1110 – Paper Jam Inside
Frequently Asked Questions
What is Samsung error #U1-2320?
Error #U1-2320 indicates a fuser unit malfunction. The fuser cannot maintain proper temperature for toner bonding.
Where do I get Samsung printer parts now?
Since HP acquired Samsung’s printer division, replacement parts are available through HP support and authorized service providers. Many Samsung parts are still manufactured and available.
Error still not resolved?
If the steps above did not fix the error, the issue may require professional service. Contact the manufacturer support line or visit an authorized service center near you.