Question about Ricoh Aficio 450 Copier
Please wait for extended time then SC 672. Have tried another HDD, reseated all connectors on control board and control panel as well as checked all other connectors. Tried reloading firmware thru sd card and didn't recognize the card. tried booting with HDD disconnected and still codes out with SC 672
Try checking or changing the thermistors!
The metal contact spring on the thermistor broken causing all sorts of 'unrelated errors including 'Please Wait' sc 670 and sc 402...
Posted on Feb 29, 2012
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Posted on Jan 02, 2017
SOURCE: sc code 672 with aficio 2090
Direct from the service manual:
• Controller board defective
• Controller board installed incorrectly
• Operation panel harness connection loose or incorrect
Posted on May 05, 2009
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