HP 9110 HP Officejet 9100 - User Guide - Page 170
Print quality is poor, Print defects are apparent, Check the scanner glass and ADF lid backing
UPC - 829160117492
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Print quality is poor z Check the settings • The wrong print-quality setting might be selected. Try printing with the Best print quality setting. z Check the media type • Some media types are not suitable for use with your all-in-one. See Choosing the print media for more information. z Check the printheads • The printheads might have poor contact. Remove and then reinstall the printheads. See Replacing the printheads for more information. • The printheads might need cleaning. Whenever print quality degrades noticeably, it is a good idea to clean the printheads. See Cleaning the printheads for instructions on cleaning the printheads. • The printheads need to be replaced. If the printheads are several years old, they might need to be replaced. For printhead health information, print a Configuration page. See Replacing the printheads to replace the printheads. z Check the memory • The all-in-one might not have enough memory to process the job. An "insufficient memory" message prints. For the current job, you can reduce the resolution or print to a smaller size of media. If the memory problems persist, consider increasing the amount of memory in the all-in-one. See Installing memory modules for more information. z Check the resolution • The image that you are using has low resolution. (Images from the Web are only 72 dpi and do not print at a high resolution. Also, video prints do not print at a high resolution.) Follow these suggestions for the best print results: • Do not enlarge images that are low resolution. • Make sure that you increase the resolution before scanning or taking a digital photo. • Use original photos that were scanned or transferred from a digital camera. • Use high-quality media. See Choosing the print media for recommended media types. z Check the scanner glass and ADF lid backing • The scanner glass or ADF lid backing might need cleaning. See Cleaning the all-in-one for more information. Print defects are apparent z Light print or fade • The ink supply is low. Replace the ink cartridges. See Replacing the ink cartridges for more information. • The media might not meet HP media specifications. See Choosing the print media for recommended media types. z Specks or dots • The media might not meet HP media specifications. See Choosing the print media for recommended media types. • The scanner glass or ADF lid backing might need cleaning. See Cleaning the scanner glass, ADF lid backing, and ADF window for more information. • Check the original. The defects might be on the original and not a result of the printing process. 168 10 - Maintaining and troubleshooting ENWW