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One dual inline memory module (DIMM) slot is available for upgrading the device memory. DIMMs are
available in 32, 48, 64, 128, and 512 MB.
For ordering information, see
Order parts, accessories, and supplies
NOTESingle inline memory modules (SIMMs) used in previous HP LaserJet printers are not
compatible with the printer.
The printer also has one EIO slot for expanding the printer networking capabilities. The EIO slot can be
used to upgrade the printer with an additional network connection, such as a wireless print server,
network card, or a connectivity card for a serial or AppleTalk connection.
NOTEThe HP LaserJet M5025 MFP and the HP LaserJet M5035 Series MFP come with a
network device already installed. The EIO slot may 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 slot,
print a configuration page. See
Use information pages.
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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 down loaded fonts. Added memory also gives you more
flexibility in supporting job-storage features, su ch as quick copying.
To install printer memory
CAUTIONStatic electricity can damage DIMMs. When handling DIMMs, either wear an
antistatic wrist strap or frequently touch the su rface of the DIMM antistatic package, then touch
bare metal on the printer.
The HP LaserJet M5025 MFP and HP LaserJet M5035 Series MFP MFPs come with one DIMM slot. If
desired, you can replace a DIMM installed in the slot 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. See
Use information pages .
1. Turn off the device, and disconnect all of the cables.
2.At the back of the device, remove the formatter cover.
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3.Open the formatter door.
4.Remove the DIMM from the antistatic package.
CAUTION To reduce the possibility of damage ca used by static electricity, always wear
an electrostatic discharge (ESD) wrist strap or touch the surface of the antistatic package
before handling DIMMs.
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5.Hold the DIMM by the edges, and align the notc hes on the DIMM with the DIMM slot. (Check that
the locks on each side of the DIMM slot are open.)
6. Press the DIMM straight into the slot, and press fi rmly. Make sure the locks on each side of the
DIMM snap into place.
NOTE To remove a DIMM, first release the locks.
7.Close the formatter door.
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8.Replace the formatter cover.
9.Reconnect the cables, and then turn on the device.
Check DIMM installation
After installing the DIMM, make sure that the installation was successful.
Verify that DIMM is installed correctly
1. Turn the device on . Check that the Ready light is illumina ted after the device has gone through the
startup sequence. If an error message appears, a DIMM might have been incorrectly installed.
Control-panel messages .
2. Print a configuration page (see
Use information pages ).
3. Check the memory section on the configuration page and compare it to the configuration page that
was printed before the memory installation. If th e amount of memory has not increased, the DIMM
might not be installed correctly, or the DIMM might be defective. Repeat the installation procedure.
If necessary, install a different DIMM.
NOTE If you installed a device language (persona lity), check the "Installed Personalities and
Options" section on the configuration page. Th is area should list the new device language.
268 Appendix E Working with memory and print server cards ENWW