HP LaserJet 3055 User Manual
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Cleaning the paper path During the printing process, paper, toner and dust particles can accumulate inside the all-in-one. Over time, this buildup can cause print-quality problems such as toner specks or smearing. This all- in-one has a cleaning mode that can correct and prevent these types of problems. To clean the paper path from HP ToolboxFX Use HP ToolboxFX to clean the paper path. This is the recommended cleaning method. If you do not have access to HP ToolboxFX, use the method in To clean the paper path from the all-in-one control panel. 1.Make sure that the all-in-one is turned on and in the Ready state. 2. Open HP ToolboxFX. 3. On the Troubleshooting tab, click Maintenance , click Cleaning Page and then click Print. A page with a pattern prints from the all-in-one. 4. At the all-in-one, remove any print media that might be in tray 1. 5. Remove the page that printed and load it face-down into tray 1. 6. At the computer, click Clean. ENWW Cleaning the all-in-one 293
To clean the paper path from the all-in-one control panel If you do not have access to HP ToolboxFX, you can print and use a cleaning page from the all-in- one control panel. 1.Press Menu. 2. Use the < or the > button to find the Service menu. 3. Press . 4. Use the < or the > button to find Cleaning Mode . 5. Press . 6. Load plain letter or A4 paper when you are prompted. 7. Press again to confirm and begin the cleaning process. A page feeds through the all-in-one slowly. Discard the page when the process is completed. 294 Chapter 12 Managing the all-in-one and maintenance ENWW
Changing the print cartridge To change the print cartridge 1.Open the print-cartridge door. HP LaserJet 3390/3392 HP LaserJet 3050 HP LaserJet 3052/3055 2.Grasp the handle on the print cartridge and then pull the cartridge straight out to remove it. See the recycling information inside the print cartridge box. HP LaserJet 3390/3392 HP LaserJet 3050 HP LaserJet 3052/3055 3.Remove the new print cartridge from its packaging, remove the orange cover from the print cartridge, and then pull the orange tab straight out to remove the sealing tape. ENWW Changing the print cartridge 295
4.Insert the cartridge into the all-in-one until it is firmly in place. HP LaserJet 3390/3392 HP LaserJet 3050 HP LaserJet 3052/3055 5.Close the print-cartridge door. HP LaserJet 3390/3392 HP LaserJet 3050 HP LaserJet 3052/3055 CAUTIONIf toner gets on your clothing, wipe it off with a dry cloth and wash the clothing in cold water. Hot water sets toner into the fabric . 296 Chapter 12 Managing the all-in-one and maintenance ENWW
Changing the automatic document feeder (ADF) on the HP LaserJet 3390/3392 all-in-one If the ADF on the HP LaserJet 3390/3392 all-in-one is damaged or not working, you can replace it. For information about ordering supplies, see Accessories and ordering information . CAUTION Do not attempt to change the ADF unless you are directed to do so by Customer Care. NOTE The ADF on an HP LaserJet 3050/3052/3055 all-in-one is not replaceable. To change the ADF 1.At the all-in-one, raise the lid. 2.Disconnect the connector by squeezing the tabs together and lifting upward. 3.Remove the ADF by lifting it upward and tilting it forward as the hinges nearly disconnec\ t from the all-in-one. ENWW Changing the automatic document feeder (ADF) on the HP LaserJet 3390/3392 all-in-one 297
4.On the new ADF, unfold the hinges. 5.Insert the hinges on the new ADF so that they are slightly tilted forward, and then push straight down into the all-in-one. 6.Insert the connector by pushing down on it until it clicks into place. 298 Chapter 12 Managing the all-in-one and maintenance ENWW
Changing the automatic document feeder (ADF) pickup roller and load arm assembly (HP LaserJet 3052/3055/3390/3392 all-in-one) To change the ADF pickup roller and load arm assembly If the ADF has trouble feeding documents, you can replace the ADF pickup roller and load arm assembly. See Accessories and ordering information to order the assembly. 1. Turn off the all-in-one and unplug the power cord. HP LaserJet 3052/3055 HP LaserJet 3390/3392 2.Open the ADF cover. ENWW Changing the automatic document feeder (ADF) pickup roller and load arm assembly (HP LaserJet 3052/3055/3390/3392 all-in-one) 299
3.Lift the load spring off of the post on the load arm. CAUTIONTo make sure that you do not lose the load spring, hold on to the load spring throughout this procedure. 4. Rotate the load arm assembly. 5.Lift the load arm assembly, slide the assembly toward the front of the all-in-one to disengage the gear-end of the assembly, and then lift the assembly off of the all-in-one. 300 Chapter 12 Managing the all-in-one and maintenance ENWW
6.Insert the gear-end of the new load arm assembly into the all-in-one and then lower the assembly into place. 7.Reattach the load spring. 8.Close the ADF cover. ENWW Changing the automatic document feeder (ADF) pickup roller and load arm assembly (HP LaserJet 3052/3055/3390/3392 all-in-one) 301
9.Plug in the all-in-one, and then turn on the all-in-one. HP LaserJet 3052/3055 HP LaserJet 3390/3392 NOTEIf you continue to experience jams in the ADF, contact your local HP-authorized service provider. See HP Customer Care . 302 Chapter 12 Managing the all-in-one and maintenance ENWW