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Make sure the printer is turned on. Press the Power button if it is not lit.Figure : Press the Power button if it is not lit
- Open the printer cover, then wait until the print cartridge cradle is idle and silent.
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HP Customer Support - Knowledge Base
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HP Deskjet 5740 Series Printers - Removing and Installing Print Cartridges
Step 1 - Open the printer
Figure : Opening the printer

Step two: Remove old cartridges
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Press down lightly on the end of each print cartridge to release it.
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The tri-color print cartridge is on the left
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The black or photo print cartridge is on the right
Figure : Removing the tri-color cartridge -
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Slide the cartridge out.
Step 3 - Use a cartridge protector
If you are temporarily removing a working cartridge (for instance, removing a Black cartridge in order to install a Photo cartridge), put it in a cartridge protector. Cartridge protectors come with Photo cartridges.
Figure : Insert a cartridge into a cartridge protector
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Figure : To remove, press down on the latch
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Step 4 - Make sure the new cartridges are compatible
Purchase replacement cartridges and other supplies from the HP Store or local retailers.
Step five: Install new cartridges
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If you are installing a new print cartridge, remove the protective tape.
caution:
Do not attempt to remove the copper strip.-
Protective tape
Figure : Removing the protective tapecaution:
After the tape is removed, do not touch the copper contacts or the ink nozzles.-
Contacts
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Nozzles
Figure : Contacts and nozzles -
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Hold the print cartridge so the nozzles are down and the contacts face toward the printer, then slide the cartridge into the carriage.
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Cartridges marked with a triangle go into the left carriage slot.
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Cartridges marked with a square or pentagon go into the right carriage slot.
Figure : Sliding the cartridge into the carriage -
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Push the print cartridge forward until it clicks into place.Figure : Pushing the cartridge into place
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Close the printer cover.
Additional support options
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Country/Region:
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