HP 2820 Service Manual - Page 283
Solving issues with color documents
UPC - 829160742304
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Solving issues with color documents This section describes issues that can occur when you print in color. Problem Only black is printing when the document should be printing in color. Cause Color mode is not selected in your program or printer driver. The correct printer driver might not be selected in the program. Solution Select color mode instead of grayscale mode. Select the correct printer driver. The device might not be correctly configured. 1 To determine if a hardware problem exists, lightly press the switch in the upper left corner of the open multipurpose tray, toward the rear of the device frame, with at least three sheets of paper in the multipurpose tray. The device should print a sheet with horizontal lines of all four colors. If one or more colors are missing, inspect the device imaging system. If all colors are printed, inspect the formatter. 2 Print a Configuration page. If no color appears on the Configuration page, replace the imaging drum. See Replacing the imaging drum. One or more colors are not printing, or are inaccurate. A color is printing inconsistently after you load a new print cartridge. Sealing tape might be on the print cartridges. Verify that the sealing tape has been completely removed from the print cartridges. The media might not meet HP specifications. Use a different paper, such as highquality paper that is intended for color laser printers. See Media specifications. The device might be operating in excessively humid conditions. Verify that the device environment is within humidity specifications. One or more print cartridges might be low. If you are using non-HP print cartridges, no messages appear on the device control panel or in the HP Toolbox. Replace any low print cartridges. See Replacing the print cartridges. Another print cartridge might be low. If you are using a non-HP print cartridge, it might be low or empty but you will receive no indication. Check the control-panel display or HP Toolbox to see if a print cartridge is low, and replace it if necessary. Print cartridges might be incorrectly installed. Remove the print cartridge for the color that is printing inconsistently and reinstall it. The device might have calibrated incorrectly after you installed a print cartridge. Calibrate the device. See Printer calibration. ENWW Print problems 271