118 6 TroubleshootingOne Side PrintedLoad Paper inK LTray 1 withPrint-side DownThe job requested manual 2-sided printing.Stack the prints and load them as they are with the blank side facing up into the tray1.After loading the paper, the [Press SET] message appears. Press the button to start printing.Refer to• "3.4 Manual 2-sided Printing" (P. 51)Open Front CoverClear JamA paper jam occurred in the printer.Open the front cover and find the jammed area. If you see the jammed paper,remove it from the printer. Then, close the front cover.Refer to• "6.1 Clearing Paper Jams" (P. 100)Open Tray 1Clear JamK LOpen & CloseFront CoverA paper jam occurred in the tray 1.Pull out the tray 1 to identify the jammed area, and remove the jammed paper. Then,open and close the front cover. Open the front cover even when there is no jammedpaper inside the cover. The error will not clear unless you open and close the frontcover.Refer to• "6.1 Clearing Paper Jams" (P. 100)Open Tray1/FrontClear JamK LOpen & CloseFront CoverA paper jam occurred in the printer.Open the front cover and find the jammed area. If you see the jammed paper,remove it from the printer. If you cannot remove the jammed paper, pull out the tray 1to remove the paper. Then, open and close the front cover.Refer to• "6.1 Clearing Paper Jams" (P. 100)Out of MemoryK LPress SETThe job cannot be printed due to insufficient memory.Cancel the job by pressing the button on the control panel.Reduce the number of files to print and try printing again. If the same message keepsappearing, we suggest you to install additional memory.PDF PrintDisabledK LPress SETThe PDF file may be print-prohibited.PDF files that are prohibited to print cannot be printed on the printer. Cancel the jobby pressing the button on the control panel.PDL ErrorPress SETAn error occurred while processing the job.Cancel the job by pressing the button on the control panel.Check if there is any problem with the print data.Press SETto continuePress the button on the control panel to start printing.If the button is not pressed for 5 seconds, the printer will start printingautomatically.Refer to• "3.4 Manual 2-sided Printing" (P. 51)Ready (B/W Only)Replace Toner [X](X: Y, M, or C)The X toner cartridge has run out of toner.Replace the X toner cartridge.The printer continues printing in monochrome even when this message appears.Ready to PrintDrum CartridgeK LReady toPrintReorder SpareThe drum cartridge needs to be replaced soon. Have a new cartridge ready.Ready to PrintFuser UnitK LReady to PrintReorder SpareThe fuser unit needs to be replaced soon. Have a new fuser unit ready.Message Symptom/Cause/Remedy