Question about HP LaserJet CP3505n Printer
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Posted on Jan 02, 2017
Hi I have an HP CLJ CP3505 it has stopped working and is asking me for a Send RFU Upgrade? Does anyone please know what to do?
Posted on Aug 09, 2010
Were you upgrading the firmware when this happened?
Try it again. If it fails again try a NVRAM reset. Download the firmware and try installing it again. If it still fails, you need to replace the formatter.
Posted on Oct 25, 2010
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