Print | Rate this content

HP LaserJet 4250 and 4350 Series Printers - Installing and Using Memory Features

This document explains the memory features of the printer and provides steps for expansion.

Overview

The printer comes with one dual inline memory module (DIMM) already installed. One additional DIMM slot and two CompactFlash slots are available for upgrading the printer with the following items:

  • More printer memory—DIMMs (SDRAM) are available in 32, 48, 64, 128, and 256 MB, for a maximum of 512 MB.

  • CompactFlash font cards—Unlike standard printer memory, CompactFlash cards can be used to permanently store downloaded items, such as fonts and forms, even when the printer is off. These cards can also be used to enable the printer to print non-Roman characters.

  • Other DIMM-and CompactFlash-based printer languages and printer options.

Single inline memory modules (SIMMs) used in previous HP LaserJet printers are not compatible with the printer.

The printer also has two EIO slots for expanding the printer's capabilities with a mass storage device, such as an optional hard disk for storing forms and fonts, and for certain job-storage functions. The EIO slots can also be used for adding a wireless connections, a network card, or a connectivity card for serial or AppleTalk.

Some HP LaserJet 4250 or 4350 series printers come with a network device already installed. The EIO slot can be used to provide networking capabilities in addition to those already built into the printer.

To find out how much memory is installed in the printer, or to find out what is installed in the EIO slots, print a configuration page.

Installing printer memory

You might want to add more printer memory to the printer if you often print complex graphics, print PostScript (PS) documents, or use many downloaded fonts. Added memory also gives you more flexibility in supporting job-storage features, such as quick copying.

Static electricity can damage DIMMs. When handling DIMMs, either wear an antistatic wrist strap or frequently touch the surface of the DIMM antistatic package, then touch bare metal on the printer.

The HP LaserJet 4250 or 4350 series printers come with one DIMM installed in slot 1. A second DIMM can be installed in slot 2. If desired, you can replace the DIMM installed in slot 1 with a higher-memory DIMM.

If you have not already done so, print a configuration page to find out how much memory is installed in the printer before adding more memory.

  1. Turn the printer power off.

    procedure illustration
  2. Unplug the power cord and disconnect any cables.

    procedure illustration
  3. Grasp the cover on the right side of the printer and pull it firmly toward the rear of the printer until it stops.

    procedure illustration
  4. Remove the cover from the printer.

    procedure illustration
  5. Open the access door by pulling on the metal tab.

    procedure illustration
  6. Remove the DIMM from the antistatic package. Hold the DIMM with your fingers against the side edges and thumbs against the back edge. Align the notches on the DIMM with the DIMM slot. (Check that the locks on each side of the DIMM slot are open, or outward.)

    procedure illustration
  7. Press the DIMM straight into the slot, and press firmly. Make sure the locks on each side of the DIMM snap into place.

    To remove a DIMM, first release the locks.
    procedure illustration
    Do not move or remove the preinstalled DIMM in the bottom slot.
  8. Close the access door and press firmly until it snaps into place.

    procedure illustration
  9. Set the bottom of the cover onto the printer. Make sure the bottom tab on the cover fits into the corresponding slot in the printer. Rotate the cover up, toward the printer.

    procedure illustration
  10. Slide the cover toward the front of the printer until it clicks into place.

    procedure illustration
  11. Reattach any cables and the power cord, then turn the printer power on, and then test the DIMM installation.

Installing CompactFlash

Up to two CompactFlash cards can be installed to add additional fonts to the printer.

To install a CompactFlash card

  1. Turn the printer power off.

    procedure illustration
  2. Unplug the power cord and disconnect any cables.

    procedure illustration
  3. Grasp the cover on the right side of the printer and pull it firmly toward the rear of the printer until it stops.

    procedure illustration
  4. Remove the cover from the printer.

    procedure illustration
  5. Open the access door by pulling on the metal tab.

    procedure illustration
  6. Remove the CompactFlash card from its package.

    procedure illustration
  7. Hold the CompactFlash card by its edges and line up the grooves in the side of the card with the tabs in the CompactFlash card slot.

    procedure illustration
  8. Slide the CompactFlash card into place.

    procedure illustration
  9. Close the access door, press firmly until it snaps into place.

    procedure illustration
  10. Set the bottom of the cover onto the printer. Make sure the bottom tab on the cover fits into the corresponding slot in the printer. Rotate the cover up, toward the printer.

    procedure illustration
  11. Slide the cover toward the front of the printer until it clicks into place.

    procedure illustration
  12. Reattach any cables and the power cord, then turn the printer power on and test the installation.

Use Device Storage Manager in HP Web Jetadmin to manage fonts. For more information, see the Help in HP Web Jetadmin.

Checking memory installation

After installing the DIMM or CompactFlash card, make sure that the installation was successful.

To verify that DIMMs or CompactFlash cards are installed correctly

  1. Check that Ready appears on the printer control panel display when the printer power is turned on. If an error message appears, a DIMM or CompactFlash card might have been incorrectly installed.

  2. Print a new configuration page.

  3. Check the memory section on the configuration page and compare it to the configuration page that was printed before the memory installation. If the amount of memory has not increased, the DIMM or CompactFlash card might not be installed correctly, or the DIMM or CompactFlash card might be defective. Repeat the installation procedure. If necessary, install a different DIMM or CompactFlash card.

If you installed a printer language (personality), check the "Installed Personalities and Options" section on the configuration page. This area should list the new printer language.

Saving resources (permanent resources)

Utilities or jobs that you download to the printer sometimes include resources (for example, fonts, macros, or patterns). Resources that are internally marked as permanent remain in the printer memory until you turn the printer power off.

Use the following guidelines if you use the page description language (PDL) ability to mark resources as permanent. For technical details, see an appropriate PDL reference for PCL or PS.

  • Mark resources as permanent only when it is absolutely necessary that they remain in memory while the printer power is turned on.

  • Send permanent resources to the printer only at the beginning of a print job and not while the printer is printing.

Over-using permanent resources or downloading them while the printer is printing might affect printer performance or the ability to print complex pages.

Provide feedback

Please rate the information on this page to help us improve our content. Thank you!