![]() You can download a service manual from manualslib. If the rollers and thermistors in the fusing unit have become contaminated with toner then you may need to replace the fusing unit. Hopefully I have given all the needed information.SC543 is a fusing unit overheating being detected by a thermistor. I would prefer to avoid replacing the whole fuser unit if possible. The front access paper tray can hold up to 250-sheets and a single sheet of paper, envelope, letterhead, or labels. The Ricoh SP C250DN paper handling capabilities will accommodate a wide range of office demands. Pull up the lever on the top cover, and then. The SP C250DN color toner cartridges in: cyan (407540), magenta (407541), and yellow (407542) yield an estimated 2,300 pageseach. Maintaining the Machine Cleaning the Toner Density Sensor Clean the toner density sensor when the following message appears on the control panel. This manual comes under the category printers and has been rated by 1 people with an average of a 7.5. ![]() These procedures will work for the GX7000, 5050N and. Save this manual to your list of manuals. View the manual for the Ricoh SP C250DN here, for free. I am wondering if the thermistor or something near it needs to be cleaned as well.Īny knowledge as to what the problem is or might be and the fix is greatly appreciated. Condes Tech Support Manager, Vicky Waldrop demonstrates Ricoh Printer Head Cleaning Procedures & Tips. Not knowing how the innards are supposed to be I am assuming that the roller is dirty and should be cleaned. ![]() Upon examination in fixing a paper jam The black roller (pressure?) behind the two maroon rollers is excessive sticky. I had a few times where the printer cartridge was dumping excessive toner into the printer. I am assuming that it is not as easy replacing the thermistor because: If I clear the error it will print fine but if it sits for a bit the error comes back. This error is almost always there upon turning the printer. Looking up this error online it means a thermistor is overheating. I have been getting an error of "SC543" on an "SP C250DN" printer.
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