Red wrench light flashes. no response from any controls. C7 appears when clear and 8 are pushed. thermistor checks ok, fuser has continuity, upper fuser roller reads 1.4 ohms when checked. any suggestions?
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open the machine and lift the red fuser cover and check the exit sensor make sure that that the flag moves easly then makr sure the registration sensor flag moves easy as well the sensor is located at the black roller in the bottom of the machine there is a cutout in the plate you should be able to see the flag if not it is stuck in the open position the figure 8 is a paper jam error
You can reset the C7 code, hold down 0&8 power machine up. Then push 87 & print, change the number to 0 with number keys press interupt key, then press 0&9 @ the same time to exit. This should clear the C7. Let me know if you need more help.