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HP Deskjet 450 Series Printer - Single Cartridge Printing Mode

What is reserve mode printing?

Single cartridge printing or reserve mode printing is the ability of the printer to continue printing when one of the print cartridges has run low on ink or if one of the print cartridges fail. Printing will continue at a reasonable quality level. The printer will automatically produce composite black or grayscale output depending on the working print cartridge. However, if one of the print cartridges is removed mid-page, the data that has been formatted for that print cartridge will not be printed. Users should remove the print cartridge at the end of a page.

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Design and features of reserve mode printing

To use the printer in reserve mode, remove one of the print cartridges from the printer. Reserve mode printing is not allowed if two print cartridges are installed.

The device ID string will provide two types of information:

  1. Whether reserve mode printing is an option for this printer

  2. Whether the printer is currently in reserve mode printing

New driver messaging is required to provide reserve mode printing or cancel the print job, and to remind users the printer is in reserve mode printing during subsequent print jobs.

At the beginning of each job printed with reserve mode printing, the reminder dialog box appears. This dialog box provides a way to cancel the print job and a way to turn off the reminder dialog until the printer exits reserve mode printing. If the printer then goes back into reserve mode printing, the reminder dialog appears again.

Figure 1: Reserve mode printing reminder dialog box

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Types of reserve mode printing messages

There are three conditions that will prompt the user to switch to reserve mode printing. When any of these conditions are encountered, the Toolbox will prompt the user with the following messages:

  1. Defective or Incompatible X Print Cartridge - In this case, replace the X print cartridge. If a replacement is not available, remove the X print cartridge and print with the Y print cartridge. The printer may print more slowly and the colors printed may be different from that printed using two proper-functioning print cartridges.

  2. X Print Cartridge is Low - If the X print cartridge is running low on ink the print quality deteriorates. Replace X print cartridge. If a replacement is not available, remove it after printing the page and print with the Y print cartridge only. The printer may print more slowly and the colors printed may be different from that printed using two proper-functioning print cartridges.

  3. Ink Service Module is Full - If the ink service module is full and the black print cartridge cannot be used for printing, contact HP immediately to get a replacement. Click here to visit the HP Deskjet 450 printer Web site to order a replacement . Remove the black print cartridge. The printer can print using only the tri-color print cartridge but the color results and print speed may be affected.

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Benefits

  • If one of the print cartridges runs out of ink before it can be replaced, it is possible to print with a single print cartridge.

  • If no replacement black print cartridge is available, remove the black print cartridge and print with only the tri-color print cartridge.

  • If no replacement tri-color print cartridge is available, remove the tri-color print cartridge and print with only the black or photo print cartridge. Documents will print in grayscale.

  • If no replacement photo print cartridge is available, remove the photo print cartridge and print with only the tri-color print cartridge.

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Limitations of using reserve mode printing

The following are the limitations of using reserve mode printing:

  • If printing with a black print cartridge only, colors will print in grayscale.

  • If printing with a tri-color print cartridge only, black text/graphics will print in a combination of CMY inks. Print speed slows down.

  • If printing with a photo print cartridge only, colors will print in grayscale. Print speed slows down.

  • If one of the print cartridges is removed before the page is completely printed, the printout may have missing components.

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