HP ScanJet Enterprise 7500 User Guide - Page 4

Automatically detect color ...21 Misfeed (multipick) detection ...21 4 Care and maintenance ...23 HP Scanner Tools Utility Maintenance tab ...24 Order maintenance and scanning supplies ...24 Clean the scanner glass, scanning strip, and automatic document feeder (ADF) duplex background 25 Clean the rollers ...27 Replace the rollers ...29 Replace the separation pad ...33 Replace the front panel ...36 5 Troubleshooting ...39 Scanner errors ...40 Basic troubleshooting tips ...41 Scanner installation troubleshooting ...42 Check the cables ...42 Uninstall and then reinstall the HP Scanjet utilities 42 Scanner initialization or hardware problems ...43 Check the USB connection ...43 Check that the scanner has power ...44 Reset the scanner ...44 The scanner has stopped working correctly 44 Scanner operation problems ...46 Scanner will not turn on ...46 Scanner keeps turning off ...46 The LCD is having display issues or scanner buttons are not working as expected 47 Scanner does not scan right away ...47 Scanner scans only one side of a two-sided page 47 Scanned pages are missing at the scan destination 47 Scanned image is fuzzy ...47 Scanned pages are out of order at the scan destination 48 Optimize scanning and task speeds 48 The scan is completely black or completely white 48 Scanned images are not straight ...48 Vertical white stripes appear on the printed page 48 Vertical colored stripes appear on the printed page 49 Scan files are too large ...49 Scanner buttons are not working correctly ...50 Scanner paper path problems ...51 Paper jamming, skewing, misfeeds, or multiple-page feeds 51 iv ENWW