HP Deskjet 5145 Color inkjet Printer. Enter your serial number to check your warranty status. Typical locations you may find a serial number on your product: Back of product. Under the battery. For laptops, press Fn + Esc. For desktops, press Ctrl + Alt + s. For Chromebooks, on the sign in screen, press Alt + v. On the barcode. This document is for HP LaserJet Pro MFP M28a, M28w, M29a, M29w, M30a, M30w, and M31w printers. The quality of a printed document is not as expected. The procedures in this document should help with print quality problems such as smeared, fuzzy, dark, or faded print, and loose, partially missing, or scattered toner. In this dialog, type “control” and hit Enter. This will open the Control Panel. 2. In Control Panel select Devices and Printers. 3. In the Printers section, right-click on your HP printer and then select Set as default printer . Click on Yes if prompted. 4. There is now a tick below the icon of your HP printer. please subscribe our channelhttps://www.youtube.com/channel/UCJ9yNEy-YAR6KCW9XtsMXoA?sub_confirmation=1laser printer poor print qualityTroubleshooting Laser 1. Clean the Laser Printer. Try cleaning a laser printer that leaves black marks on the printed output. To do so, turn the printer off at the wall first. Remove the toner cartridge as outlined in the printer’s manual. Wipe the toner off the cartridge with a toner cloth. Then gently wipe inside the printer with a square toner cloth to wipe Printer is printing too fast. Suggested Solutions 1. Lower printing speed. Cause 2. There nozzle is getting caught on raised or warped sections of the print. Suggested Solutions 2. Change your Z-Lift to be a small positive number so the nozzle will be above the part during moves. A good number for most printers is 1mm or approximately 5 layers .

laserjet printer problems and solutions