Troubleshooting

Slow Printing for Windows

Step 1 : Reconfigure the 123 hp ojpro 8640 printer

  • After switching on the printer, and after it is idle and noiseless, detach the power cord from the back of the 123.hp.com/ojpro8640 printer.
  • Remove the power cord from the wall provision.
  • Halt for at least 60 seconds.
  • Connect the power cord again into the wall premise.
  • Re-link the power cord to the back of the printer.
  • Ensure that the printer is switched on.
  • Give time for the warm-up period. Attempt to print. If the problem continues, go to the next step.

Step 2 : Confirm the print driver settings

  • Select Devices and printers from Windows.
  • After double-clicking on your printer’s icon, double-click Set Preferences.
  • Ensure Plain Paper is chosen in the Paper type option.
  • Ensure Draft or Normal are opted for in the Quality Settings field.
  • Tap OK or Apply. If you still face the problem, proceed to the next step.

Step 3 : How to uninstall the print driver?

  • In case your printer links to the computer by means of a USB cable, unplug the cable from the printer.
  • Tap Programs and Features in the results obtained after looking up Windows.
  • Tap your    123.hp.com/ojpro8640 printer name, select Uninstall or Yes in the available list of installed programs.
  • Take note of the onscreen instructions to finish the software removal.
  • Reboot the computer.

Step 4 : How to reinstall the available print driver?

Navigate to our site and then carry out the on-screen instructions to download and install the up-to-date driver.Attempt printing. If the problem continues, proceed to the next step.

Step 5 : How to update the printer firmware?

  • Ensuring that your printer is switched on and linked to the computer, visit our site-Software and    Driver Downloads, and then key in your 123 hp ojpro 8640 printer’s model number.
  • If necessary, choose your OS.
  • Tap Firmware, then tap Download.
  • When you detect that a firmware section is not listed, tap Use HP Download and Install Assistant. Tap Next, and then tap Install now.
  • Go through the 123 HP Officejet Pro 8640 Printer Update window to find whether your printer serial number shows up.
  • In case the serial number is listed, choose the printer serial number, and the tap Update.
  • In case the serial number is listed, however, the status is grayed out, the firmware doesn’t need a further update. Tap Cancel.
  • In case the serial number is not listed and your printer is making use of a network connection, link a USB cable, halt for 20 seconds, and then tap Refresh.
  • When the update is completed, tap OK.
  • If you linked a USB cable for your networked 123 HP Officejet Pro 8640 printer, then detach the USB driver that was added by Windows.
  • Access Device and Printers from the obtained results after looking out in Windows.
  • Notice the USB printer device that syncs to your printer model. Right-click it and then choose Remove Device.
  • Unplug the USB cable, and reboot the computer.
  • When you find that the issue continues, go to the next step.

Step 6 : Look out for the network status (which includes wired and wireless connections only)

  • Review the wireless signal strength by tapping the wireless connection icon available in the Windows taskbar. In case the signal strength is low, bring the computer, router, and 123 hp ojpro 8640 printer in proximity.
  • In case the printer is linked to the network by means of an Ethernet cable, ensure that the cable connections are safe.
  • Reboot your router by detaching it, halting for 10 seconds, and re-plugging it.

123 hp ojpro 8640 Slow Printing for Mac

Step 1 : Reconfigure the printer

  • After switching on the 123.hp.com/ojpro8640 printer, give it time until it is noiseless.
  • Unplug the power cord from the printer’s back.
  • Detach the power cord from the wall provision.
  • Stop for at least 60 seconds.
  • Reconnect the power cord into the wall provision.
  • Relink the power cord to the printer’s back side.
  • After ensuring that the printer is on, give time for the warm-up period. Also, ensure that the printer is stable. Now attempt printing. If you find the issue again, go to the next step.

Step 2 : Verify the print driver settings

  • Get ready with the photo or document that you desire to print. Tap File and then Tap Print.
  • From the print settings window, ensure that your 123 HP Officejet Pro 8640 printer is chosen.
  • In case you do not view options on the Print dialog box, tap Show Details.
  • There will be a menu in the center which doesn’t have any label. Click it and then tap Paper Type/Quality or Media & Quality. Now tap Normal or Draft from the respective Quality or    Print Quality menu.
  • After a failed attempt at printing, go to the next step.

Step 3 : How to uninstall the print driver?

  • Tap Finder in the Dock.
  • Select Go, tap Applications, then access the HP folder, double click it, and carry out the onscreen instructions.
  • In case the HP Uninstaller is not present in the folder, go to the next step.
  • Move the HP folder to the Trash icon available in the Dock.
  • Tap Go from the menu bar, tap Go to Folder, input /Library/Printers, then select Go.
  • Reboot the Mac.
  • You can right-click or Ctrl+ click the Trash icon and then choose Empty Trash.

Step 4 : How to reinstall the print driver?

Go to our website, perform the onscreen instructions to download and install the up-to-date driver. If the problem persists, go to the next step.

Step 5 : Upgrade the printer’s firmware

  • After switching on the printer in case    your printer is linked to the computer with a USB cable, detach the cable from the printer.
  • Visit our site-Software and Driver Downloads.
  • When urged, choose a method to assess your 123 hp ojpro 8640 printer model, and then perform the on-screen instructions to navigate to the download page.
  • Tap Firmware and then tap Download.
  • Utilize the HP Download and Install Assistant for a thorough firmware download and installation, or tap Download only for manually accessing or running the driver file by means of your Internet browser’s download tools.
  • Try printing. If the problem still takes place, go to the next step.

Step 6 : Examine the network status (which comprises wired and wireless connections)

  • For wireless routers, Verify whether the router band is using 2.4 GHZ.
  • It is suggested that the routers support Bonjour.
  • Ensure that the 123.hp.com/ojpro8640 printer is prepared for the network setup.
  • With regard to wireless network connection, go to the Wireless network or Settings menu to ensure that the respective wireless signal is switched on and enabled. Verify that the Wireless icon light is either on and stable or blinking.
  • For wired network connection, verify whether the cable is linked to the printer’s Ethernet port and to an existing port on the router. The green link light should not be wavering, and the orange activity light should blink when the cable is linked.
  • Tap the network icon on Mac’s menu bar to see the network name and status of the available connection.
  • In case the chosen network is not yours, you must relink to your respective network.
  • In case the network signal strength is poor, bring the computer and printer to close proximity with the router, keep the devices away from huge metal objects, and stay away from devices that send out radio signals.
  • In case the network status is not connected, verify that your network is working appropriately. Later examine the status again. Ensure that a check mark is shown adjacent to the network name.

Extra Blank Page Prints

Step 1 : Upgrade your computer antivirus software

Step 2 : In case the first step doesn’t help, upgrade the 123 hp ojpro 8640 printer firmware.

  • Switch on the printer.
  • In case the printer is attached to the computer by means of a USB cable, detach the cable from the 123 HP Officejet Pro 8640 printer.
  • Visit our site-Software and Driver Downloads.
  • If asked for, choose a method to detect your printer model, and then carry out the on-screen instructions to navigate to the download page.
  • Tap Firmware and then tap Download.
  • Make use of the HP Download and Install Assistant for a directed firmware and installation or choose Download only to open the driver by yourself or run the file by means of your Internet browser’s download tools.

Step 3 : How to uninstall the printer software in case upgrading the printer does not resolve the problem?

  • In case your printer is attached to the computer through a USB cable, remove the cable from the printer.
  • Tap the Uninstall a program after searching in Windows.
  • Touch your    123 hp ojpro 8640 printer name from the given list of installed programs. Then tap Uninstall or Yes to ensure that the uninstall is carried out.
  • Perform the on-screen instructions to finish the software removal.
  • Reboot the computer.

Step 4 : How to reinstall the printer software?

  • Switch on the printer.
  • Suppose the printer is linked to the computer by means of a USB cable, detach the cable from the printer.
  • Go to our site-Software and Driver Downloads.
  • If urged, choose a method to detect your printer model, and then perform the on-screen instructions to navigate to the download page.
  • Tap Download available adjacent to the full feature driver, or tap Basic Drivers for alternative driver options.

Step 5 : Print straight to the printer in case downloading the up-to-date driver doesn’t fix the issue.

  • Tap Devices and Printers in the outcome after looking out in Windows for devices.
  • Right-tap your HP Printer’s name and then tap Printer properties.
  • Choose the Advanced tab.
  • Choose the option Print directly to the 123 hp ojpro 8640 printer.
  • Tap apply, and then tap OK.
  • This should fix the issue of printing an extra page.
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123 HP Officejet Pro 8640
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123 HP Officejet Pro 8640
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