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HP Designjet 400 Series Printers - Memory and Firmware SIMM Installation

About the SIMMs in your printer
To upgrade your printer with more memory
Your printer comes with a basic memory of 4 MB. In case you need to print particularly large files, the following memory expansion modules are available: 4 MB, 8 MB, 16 MB, and 32 MB. The maximum total memory is 36MB (4 + 32).
File size and memory usage
There is no direct relationship between file size on your computer and memory used in the printer to print that file. In fact, because of file compression (and general complexity) it is often impossible to estimate how much memory will be used. In general, thicker lines (0.5 mm), complex objects (such as polylines), and fills will all use significantly more memory.
ROM SIMM
A ROM (read-only memory) SIMM (single inline memory module) is a physical module containing read-only data that can be installed in the back of the printer to provide firmware upgrades.
Installing RAM (memory) SIMMs
You may install only one memory module.
  1. Make sure that the printer is turned off and that neither the power cord nor an interface cable is connected.
  2. Unscrew the cover plate at the back of the printer, and remove it.
     caution:
    Before handling a memory module, either put on a grounding wrist strap and attach the end to the metal chassis of the printer, or touch the outer metal surface of the printer with your hand. Otherwise, static electricity from your body could damage the memory module.
  3. Take the memory module out of its bag, holding the module only by the edges.
  4. With the module’s small notch on the left and the metallic edge away from you, load the module into the slot nearest to you. (The other slot is not for memory modules.) To do this, first hold the module at an angle, and then gradually push it back until it clicks into place vertically.
  5. Replace the cover plate and screws.
Installing ROM (Firmware) SIMMs
The HP DesignJet 430 monochrome printer can be upgraded to become an HP DesignJet 450C color printer.
The upgrade kit is made up of:
  • A ROM SIMM, containing the code for the HP DesignJet 400 series printer.
  • A set of four print cartridges: cyan, magenta, yellow, and black
  • A color label for installation on the printer’s cartridge carriage
This section explains all the tasks necessary to install the upgrade kit.
  1. Make sure that the printer is turned off and that neither the power cord nor an interface cable is connected.
  2. Unscrew the cover plate at the back of the printer, and remove it.
     caution:
    Before handling a memory module, either put on a grounding wrist strap and attach the end to the metal chassis of the printer, or touch the outer metal surface of the printer with your hand. Otherwise, static electricity from your body could damage the memory module.
  3. There are two slots for SIMMs in the printer. The SIMM containing the upgrade goes in the slot farthest from you. If both slots are free, skip this step and go straight to step 5. If the slot nearest to you already contains a SIMM (a memory module), then you must first remove it in order to access the other slot.
    1. Gently push aside the two clips that hold the memory module in place.
    2. Holding it only by the edges, carefully pull the top of the module toward you and lift it out.
  4. Temporarily place the module on a conductive pad--for example, the one containing the new SIMM.
  5. Take the new SIMM out of its bag, holding it only by the edges.
  6. With the SIMM’s small notch on the left and the metallic edge away from you, load the SIMM into the slot farthest from you. To do this, first hold the module at an angle, place the bottom edge in the slot, and then push the top away from you until the module clicks into place.
  7. If you removed a memory module from the slot nearest to you, reinstall it in the same way.
  8. Replace the cover plate and screws.
     warning:
    Don’t touch the plastic strip that runs the length of the printer behind the cartridge carriage; its edge is very sharp. Keep hair, jewelry, clothing, and foreign objects away from the printer mechanisms.
  9. With the printer still turned off, raise the cover to access the cartridge carriage on the left and remove the black cartridge.
  10. Move the cartridge carriage out of the service station. Then remove the cover from the three left-hand cartridge slots by first squeezing on both sides, and then lifting it off.
  11. Remove the cover from the three left-hand cartridge selectors.
    1. Release the clip on the right side of the cover, at the bottom. This is easiest to see when looking down into the printer.
    2. Lift the cover off.
  12. From the upgrade kit, take the label containing four colored dots.
    1. Remove the protective strip from the back.
    2. Stick the label onto the vertical panel above the cartridge stalls while the cartridge is out of its stall. Note that the yellow dot must be on the left.
    3. Close the cover.
  13. Turn on the printer.
  14. From the upgrade kit, take the three new colored cartridges (yellow, cyan, and magenta) and, together with the black cartridge you removed earlier, install them in the printer’s four vacant cartridge stalls. Be sure to match the colors of the cartridges with the colors of the dots.
  15. Print a Setup Sheet to confirm that the printer has correctly read the new ROM SIMM and has reconfigured itself to be an HP DesignJet 450C printer. The place to look is at the bottom of the Setup Sheet, which should now show a color filled circle and read "HP DesignJet 4xxx."
  16. Finally, reconfigure the print driver(s) you are using to indicate that your device is no longer an HP DesignJet 430 printer, but now an HP DesignJet 450C printer. Drivers for AutoCAD (TM) and for Microsoft (R) Windows applications are supplied as part of your upgrade kit.

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