Samsung ProXpress M4030 Series Service Manual page 118

4. Troubleshooting
Error Code Error Message
U1-2343 Error: #U1-2343 / Fuser Unit Failure: #U1-2343. Turn off then on. Call for
service if the problem persists
U1-2345 Fuser Unit Failure: #U1-2345. Turn off then on. Call for service if the
problem persists
U1-2348 Error: #U1-2348 / Fuser Unit Failure: #U1-2348. Turn off then on. Call for
service if the problem persists
U1-234H Error: #U1-234H / Fuser Unit Failure: #U1-234H. Turn off then on. Call for
service if the problem persists
U2-1111 Error: #U2-1111 / LSU Failure: #U2-1111.Turn off then on. Call for service
if the problem persists
U2-1112 Error: #U2-1112 / LSU Failure: #U2-1112.Turn off then on. Call for service
if the problem persists
U2-1113 Error: #U2-1113 / LSU Failure: #U2-1113.Turn off then on. Call for service
if the problem persists
4-36 Copyright© 1995-2017 SAMSUNG. All rights reserved.
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