HP LaserJet Pro 300 Service Manual - Page 182

Problem Cause Solution Marks repeatedly appear at even The device is not set to print on the type intervals on the printed side of the page. of media on which you want to print. In the printer driver, select the Paper tab and set Type is to match the type of paper on which you are printing. Print speed might be slower if you are using heavy paper. Internal parts might have toner on them. The problem typically corrects itself after a few more pages. The paper path might need cleaning. Clean the paper path. See the complete version of the English service manual. The fuser might be damaged or dirty. To determine if the fuser has a problem, open HP ToolboxFX, and print the printquality diagnostics page. Marks repeatedly appear at even intervals on the unprinted side of the page. Clean the paper path. See the complete version of the English service manual. A toner cartridge might have a problem. To determine which cartridge has a problem, open HP ToolboxFX, and print the print-quality diagnostics page. Internal parts might have toner on them. The problem typically corrects itself after a few more pages. The paper path might need cleaning. Clean the paper path. See the complete version of the English service manual. The fuser might be damaged or dirty. To determine if the fuser has a problem, open HP ToolboxFX and print the printquality diagnostics page. Clean the paper path. See the complete version of the English service manual. The printed page contains misformed characters. The media might not meet HP specifications. If characters are incorrectly formed so that they produce a wavy effect, the laser scanner might need service. Use a different paper, such as highquality paper that is intended for color laser printers. Verify that the problem also occurs on the configuration page. 158 Chapter 2 Solve problems ENWW