HP Color Laser MFP 170 User Guide - Page 183

Condition Suggested solutions Blank copies print out. Ensure that the original is face down on the scanner glass or face up in the document feeder. If these steps do not correct the problem, contact a service representative. Image rubs off the copy easily. • Replace the paper in the tray with paper from a new package. • In high humidity areas, do not leave paper in the machine for extended periods of time. Frequent copy paper jams occur. • Fan the paper, then turn it over in the tray. Replace the paper in the tray with a fresh supply. Check/adjust the paper guides, if necessary. • Ensure that the paper is the proper type and weight (see "Print media specifications" on page 192). • Check for copy paper or pieces of copy paper remaining in the machine after a paper jam has been cleared. Toner cartridge produces fewer copies than expected before running out of toner. • Your originals may contain pictures, solids, or heavy lines. For example, your originals may be forms, newsletters, books, or other documents that use more toner. • The scanner lid may be left open while copies are being made. • Turn the machine off and back on. Scanning problems Condition Suggested solutions The scanner does not work. • Make sure that you place the original to be scanned face down on the scanner glass, or face up in the document feeder (see "Loading originals" on page 51). • There may not be enough available memory to hold the document you want to scan. Try the Prescan function to see if that works. Try lowering the scan resolution rate. • Check that the machine printer cable is connected properly. • Make sure that the machine printer cable is not defective. Switch the printer cable with a known good cable. If necessary, replace the printer cable. • Check that the scanner is configured correctly. Check scan setting in the HP MFP Scan or the application you want to use to make certain that the scanner job is being sent to the correct port (for example, USB001). • Check if the machine is printing received data. If so, scan the The unit scans very slowly. document after the received data has been printed. • Graphics are scanned more slowly than text. Solving other problems | 183