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HP Color LaserJet Enterprise M751, M856, MFP M776, HP Color LaserJet Managed E75245, E85055 - Install the optional 550-sheet paper tray

Install the optional 550-sheet paper tray

This document provides the procedure to install the optional 550-sheet paper tray on any of the following printers:
  • HP Color LaserJet Enterprise M751
  • HP Color LaserJet Enterprise MFP M776
  • HP Color LaserJet Enterprise M856
  • HP Color LaserJet Managed E75245
  • HP Color LaserJet Managed E85055
Figure : 550-sheet paper tray
  1. Press the Power button to turn off the printer.
    Figure : Turn off the printer
  2. Disconnect the power cable (from the outlet and the back of the printer) and the USB or network cable.
    Figure : Disconnect the cables
  3. Place the 550-sheet paper tray on a sturdy surface, and then place the printer on top of the tray.
      caution:
    Due to the weight of the printer, HP recommends that four people move the printer to place it on top of the optional paper tray.
    All trays must be closed when moving the printer.
     
      warning:
    Back surface may not align on all models. The M856 and E85055 are larger than the accessory. Align the front surface and not the rear of the printer.
     
    Figure : Place the printer on the 550-sheet paper tray
  4. Remove the tape from the outside of the paper tray.
    Figure : Remove the tape
  5. Open the tray and then slide the lever to lock the tray to the printer.
    Figure : Open the tray and lock it to the printer
  6. Adjust the paper-length guides by squeezing the adjustment latches and sliding the guides to the size of the paper being used.
    Figure : Adjust the paper-length guides
  7. Adjust the paper-width guides by squeezing the adjustment latches and sliding the guides to the size of the paper being used.
    Figure : Adjust the paper-width guides
  8. Load paper into the tray.
    note:
    To prevent jams, do not overfill the tray. Be sure that the top of the stack is below the tray full indicator.
    Figure : Load paper in the tray
  9. Adjust the paper guides by grasping the adjustment latches and pressing inward. Check the paper to verify the guides lightly touch the stack, but do not bend it.
    Figure : Adjust the paper guides
  10. Remove the tray number cubes from their packaging.
    Figure : Unpack the tray number cubes
  11. Insert the tray number cube into its slot (on the right front side of the tray) with the number facing outward.
    Figure : Insert the tray number cube
  12. Close the tray.
    Figure : Close the tray
      caution:
    Do not extend more than one paper tray at a time.
    Do not use a paper tray as a step.
    Keep hands out of paper trays when closing.
    All trays must be closed when moving the printer.
  13. Reconnect the power cable to the outlet and the printer, and then connect the USB or network cable.
    Figure : Reconnect the cables
  14. Press the Power button to turn on the printer.
    Figure : Turn on the printer
  15. If you are attaching the accessory before installing the printer software, this procedure is not necessary. If you are attaching the accessory after installing the printer software, perform the steps below that pertain to your operating system.
    • macOS: The list of installed options should automatically update during the first print job after installing the accessory.
    • Windows® 10 and 8.1, and 8:
      1. Right-click on the bottom-left corner of the screen, or left click the Start button for newer versions of Windows 10.
      2. Select Control Panel. Under Hardware and Sound, select View devices and printers.
      3. Right-click the name of the printer, and then select Printer Properties.
      4. Click the Device Settings tab.
      5. Select Update Now. Or, in the UPD drop-down menu next to Automatic Configuration, select Update Now.
      note:
      Newer HP PCL-6 V4 drivers do not support Update Now. For these drivers, stop and restart the print spooler. Open a search box. In the search box, type services, and then press the Enter key. Right-click Print Spooler in the list of services, select Stop, and then right-click and select Start. Or, simply shut down and restart the computer.
    • Windows® 7:
      1. Make sure the printer is turned on and connected to the computer or a network.
      2. Open the Windows® Start menu, and then click Devices and Printers.
      3. Right-click the name of the printer, and select Printer Properties.
      4. Click the Device Settings tab.
      5. Select Update Now. Or, in the UPD drop-down menu next to Automatic Configuration, select Update Now.

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