Question about Ricoh Office Equipment & Supplies
Pl help me how it solve the problem.
Error code: 551 - Fusing thermistor open (rear)
The fusing temperature detected by the thermistor is below 71C and is not corrected after the main power switch is turned on.
- Fusing thermistor defective or out of position
- Power supply board defective
- Loose connectors
Posted on Apr 29, 2015
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Posted on Jan 02, 2017
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