To replace the cartridge:

• Open main cover and find the ink cartridge lid.
• Push the tab on the front, and lift up on the lid while pushing it back.
• Lift the cartridge straight up to remove it.
• With the grooved side facing you, install the new cartridge.
• Close the cartridge lid, pushing down until it locks into place.
• Close the machine cover.
• Print a test pattern to confirm that the ink cartridge has been installed properly (select the troubleshooting option for "Poor Print Quality" for more info).

If you receive a Low Ink (300 impressions left) or No Ink (needs to be replaced) message, the cartridge is nearing or has reached its end.

To replace the cartridge:

• Open main cover and find the ink cartridge lid.
• Push the tab on the front, and lift up on the lid while pushing it back.
• Lift the cartridge straight up to remove it.
• With the grooved side facing you, install the new cartridge.
• Close the cartridge lid, pushing down until it locks into place.
• Close the machine cover.
• Print a test pattern to confirm that the ink cartridge has been installed properly (Select the Poor Print Quality troubleshooting option for more info).

If your postage machine is producing poor impressions, you may need to run a cleaning cycle or purge. Please keep in mind that this process may vary by machine and that you may also consult your machine’s user manual for instructions on performing a cleaning cycle.

Begin by printing a test pattern:

• Press the Menu key on the Control Center.
• Select Maintenance.
• Select Print Test Pattern.
• The “Print Test Pattern” screen will appear and ask you to “Press Tape or print an envelope”.
• Load an envelope and press Start, or press Tape to print on a tape.
• Once the test pattern has printed, the system will ask if the test pattern printed correctly.
• If the test pattern looks good and the lines are all solid, select Yes, Lines are unbroken and press the left arrow key to return to the home screen.
• If the test pattern has missing or incomplete lines, select No, clean the print nozzle.
• The “Cleaning Print Nozzle” screen will appear until the cleaning is finished.
• Once the cleaning cycle is done, the “Print Test Pattern” screen will appear again.
• Load an envelope or tape again and press Start or Tape.
• If the test pattern still has broken or missing lines, the cartridge or printhead may need to be replaced. 
• If the test pattern is ok, press the left arrow key to return to the home screen.

• Press the Menu key on the Control Center
• Select Maintenance. 
• Select Clean Printer Nozzle. The “Cleaning Print Nozzle” screen will appear until the cleaning is finished.
• Once the cleaning cycle is done, the “Print Test Pattern” screen will appear.
• Print a test pattern as outlined above to confirm that the print is of good quality.
• If needed, repeat the cleaning once more.