OTC1050 and OTC1450 (4130, 4140) Troubleshooting Guide
Problem:  
1 Long followed by a combination of 4 Short and/or Long Beeps

Probable CauseSolution
L--LLLLNonrecoverable Error
L--SSSSPrinthead #1 Error
L--SSSLPrinthead #2 Error
L--SSLSPrinthead #3 Error
L--SSLLCarriage Motor Overcurrent
L--SLSSCarriage Motor Driven Overtemperature
L--SLSLHV Error
L--SLLS24 vdc** Error
L--SLLL12 vdc Error
L--LSSSTachometer Overrun Error
L--LSSLLinefeed Motor Overcurrent
L--LSLS* Tachometer Timeout Error
L--LSLLProcessor Error

Turn off and then turn on printer. If problem persists, record beep pattern. Press ON LINE to solicit still other patterns, if any.

Record these as well and then call for service.

* Will occur if the carriage is impeded by an obstruction.
** Used for dc cooling fan.
 
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