How do I Calibrate an HP 2840 Color Laserjet Scanner Lamp?
The Hewlett-Packard (HP) LaserJet 2840 is a color printer that is also a scanner, copier and fax component all in one device. The printer's scanner comes with an Automatic Document Feeder that lets you scan a stack of papers instead of one at a time. When scanning problems develop including scans that are too light, missing words and toner appearing around words, it is time to calibrate your HP LaserJet 2840's scanner lamp. The calibration process realigns the lamp and is accessible through the printer's control panel.
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Instructions
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Press the "Menu" button on the HP LaserJet 2840's control panel. Press the ">" button to navigate the options and select "System setup." Press the "Enter" button.
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Press the ">" button to navigate to and select "Print quality." Press "Enter." Press the ">" button again to navigate to and select "Calibrate color." Press "Enter."
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Press the ">" button to navigate to and select "Calibrate now." Press "Enter" to start the calibration process. The display panel will show "Calibrating" then "Ready" once the process is complete.
The calibration process will only work while the HP LaserJet 2840 is in a "Ready" state. It will not run while a print job is printing or processing.
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Tips & Warnings
You can also calibrate your HP LaserJet 2840's scanner lamp via the "HP Toolbox" utility on your computer. Click "Start," "All Programs," "HP LaserJet 2840" and "HP Toolbox." Click "Device Settings" then click the "System Settings." Click "Print Quality" to access the Color Calibration page. Leave the automatic, default calibration settings the same or adjust them to your liking then click "Apply" to start the calibration process.
