Samsung MultiXpress K7 Series - Page 414

4.Troubleshooting
►ErrorCode
U1–2xxx
►Errormessage
FuserUnitFailure:#U1-2xxxTurnoffthenon
►Symptom
Thethermistorcan’tmeasuretemperature.Thehear-rollerwillnotheat-up./Temperatureofthefuserincreases
abnormally.
►Troubleshootingmethod
NOTE
Toseethetroubleshootingvideoforthiserror,clickthroughtothelinkbelow.
•U1–2316:http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U1-2316.html
•U1–2317:http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U1-2317.html
•U1–2320:http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U1-2320.htm
•U1–2321:http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U1-2321.html
•U1–2323:http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U1-2323.html
•U1-2332:http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U1-2332.html
•U1–2339:http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U1-2339.html
•U1–2341:http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U1-2341.html
•U1–234H:http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U1-234H.html
1)Removethefuserunit.Afteropeningthejamcover,checkifjammedorwrappedpaperisinthefuserunit.
2)Re-installthefuserunit,thenturnthemachineon.
3)Iftheproblempersists,checkthefollowing:
a)CheckiftheHalogenlampisbrokenordisconnected.
b)CheckiftheACconnectionoftheHalogenlampisdisconnectedorcontaminated.
c)Checkifthethermostatisdisconnected.
d)Checkifthenon-contacttypethermistorisbroken.
4)Iftheproblempersists,replacetheFuserunit
5)Iftheproblempersists,replacetheMainboardorFDBboard,SMPS
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