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Canon Pixma... | Answered 23 hours ago

Ricoh Aficio error SC542

Ricoh Aficio SP... | Answered Yesterday

sc491 is a high voltage output error. Combined with your jamming issue, it sounds like a possible electrical problem somewhere. A good first step is to turn the machine off and unplug it, then take off the covers and reset any connections or cables you can get to.

If the problem persists, you should have a service technician take a look at it because it might need a board replaced.

Ricoh Aficio SP... | Answered Yesterday

check the switch, then the photo eye

Shredder Office... | Answered Yesterday

There is no key dedicated to that as the operation is rather trivial: If the result is positive that is its absolute value. If the result is negative, make it positive and you have the absolute value.

Texas... | Answered Yesterday

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