Solving scanner (copier) paper-feed problems Table 21. Solving scanner paper-feed problems Problem Cause Solution Long pages stop feeding through the ADF. The document is too long. The maximum document length is 381 mm (15 in). If your document is too long, copy each segment of it and scan the copies. The paper delivery sensor is damaged. Free the paper delivery sensor. If you cannot free it, replace it. Scanned items are crooked. The media input tray guides are not set correctly, are broken, or are missing. Be sure to center the paper with the media input tray guides. Verify that the guides are not adjusted too tightly or too loosely against the paper.
Check for broken or missing guides and replace as necessary. The ADF feeds multiple sheets or jams frequently from the media input tray. The media input tray guides are not adjusted properly. Remove the document from the media input tray. Straighten the item, then reinsert it. Slide the guides against the sides of the item to center it. Make sure the guides are not adjusted too tightly. The media input tray is overfilled. Remove some of the sheets. The media input tray can hold up to 50 pages, depending on the thickness of the pages. The item was too thick, too slick, or otherwise did not meet specifications.
Make sure that the media meets specifications detailed in the Print Media Guide for the HP LaserJet family. The ADF pickup roller is dirty. Clean the ADF pickup roller. (See the user guide.) The ADF document feed guide is not installed properly. Ensure that both sides of the ADF document feed guide are snapped in properly. The ADF pickup roller is damaged or worn. Replace the ADF pickup roller. (See the user guide). The ADF separation pad is dirty, damaged, or worn. Replace the ADF separation pad. (See “ADF separation pad” on page 123.) The sensor is not operating properly. Check the sensor to make sure it is not jammed. If a sensor cannot be corrected, replace the ADF assembly.
There is a problem in the ADF path. Check the path for obstructions. Readjust as necessary or replace the ADF assembly. EN Solving paper-feed problems 199