HP J4550 User Guide - Page 129
The device prints half a then ejects the paper, Error messages appear, Paper mismatch
UPC - 883585774142
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• Unwanted lines The scanner glass, lid backing, or frame might need cleaning. See Clean the device for more information. • Black dots or streaks Ink, glue, correction fluid, or an unwanted substance might be on the scanner glass or lid backing. Try cleaning the device. See Clean the device for more information. • Copy is slanted or skewed ◦ Make sure that the ADF input tray is not too full. ◦ Make sure that the ADF width adjusters are snug against the sides of the media. • Unclear text ◦ Try adjusting the contrast and copy-quality settings. ◦ The default enhancement setting might not be suitable for the job. Check the setting and change it to enhance text or photographs, if needed. For more information, see Change the copy settings. • Incompletely filled text or graphics Try adjusting the contrast and copy-quality settings. • Large, black typefaces look splotchy (not smooth) The default enhancement setting might not be suitable for the job. Check the setting and change it to enhance text or photographs, if needed. For more information, see Change the copy settings. • Horizontal grainy or white bands in light-gray to medium-gray areas The default enhancement setting might not be suitable for the job. Check the setting and change it to enhance text or photographs, if needed. For more information, see Change the copy settings. The device prints half a page, then ejects the paper Check the ink cartridges Make sure the correct ink cartridges are installed and the ink cartridges are not low on ink. For more information, see Manage the device and Work with ink cartridges. HP cannot guarantee the quality of non-HP ink cartridges. Error messages appear "Reload document and then reload job" Press the OK button, and then reload the remaining documents (up to 20 pages) in the ADF. For more information see Load originals. Paper mismatch Check the settings Verify that the loaded media size and type matches the control panel settings. Solve copy problems 125