NEC SuperScript 100C User Manual

NEC SuperScript 100C User Manual Manual pdf 27 page image

With the printer powered and in PCL III + emulation, print head installed andpaper loaded:• Press and hold On Line, and then press Install Cartridge(for at least twoseconds) on the operator panel.• A sheet of paper will be fed into the printer and the "demo" page will beexecuted automatically.• Release the keys only after printing has commenced.• Do not open the front cover of the printer while printing is in progress.Once the "demo" page is printed, the printer returns On Line. Check the printquality, making sure that all the characters and images are clearly defined andcomplete.If you have any problems running the "demo" page, check that you have followed theoperating procedures correctly; if so, see Chapter 5 - Troubleshooting.Clearing the print head nozzlesThe print head clearing operation is performed to clean ONLY the printhead nozzles of the monochrome print head. If, after insertinga new monochrome print head or during a printing operation, the printquality is not optimal or deteriorates, execute the print head clearingoperation to improve it.Poor print quality is usually caused by air bubbles which block oneor more of the print head nozzles; the print head clearing operationwill remove any blockage.If an "end of ink" condition has been signaled (print head in position 3), do NOTattempt to perform a print head clearing operation.To clear the print head nozzles, proceed as follows:• Set the printer OFF LINE the print head is in its rest position at the lefthand margin and check that there is no paper inserted for printing.• Open the top cover of the printer.• Pressing down the ink aspirator slide (), move it backwards and forwardsthe full length of its shaft, until ink appears in the tube below the slide.• Press Install Cartridge to move the print head carriage to the head loadingposition.• Move the ink aspirator slide backwards and forwards to empty the tube.Insert picture pg. 2-5• Press Install Cartridge to return the print head carriage to its rest position.• Close the top cover.• Press On Line to return the printer to ON-LINE state.If the print head clearing operation does not result in improved print quality,reset the printer and then repeat the print head clearing operation.Cleaning the print headIf you have not been able to solve the problem of printing quality with the printhead clearing operation, try removing and cleaning the print head.