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Ricoh Aficio 450 Copier - Page 9 Questions & Answers
Overiding a sensor on richoh africio copier
the trays in square? If so you might check the doors(1 small (upper) and 1 large (lower) below them. There is also a door toward the top and behind the large tray(duplexer) that I have seen cause a door open message. Hope this helps
Erore code
You can try to clear it with " press the yellow clear botton, then the numbers 1 - 0 -7 , then press and hold the red clear stop botton, till the screen changes... Then turn the MAIN POWER switch OFF & then back ON. If that will not clear the code, then let us know what the error code is , that is displayed on the display screen.... Good Luck
Sc990
sc 990 relates to the nv ram chip on the main board also check the values of the lazer unit are correct and not changed
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