Hello there! Welcome to the HP Community @mollydarling,
I read about the carriage jam troubles you are facing with your Envy 4500, and wanted to reach out. Please check out the link below and try the troubleshooting steps that should help with the jam. If the problem continues, try contacting HP directly to see about a replacement printer.
A 'Carriage Jam' Message Displays for HP ENVY 4500 e-All-in-One and HP Deskjet Ink Advantage 3540 e-...
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Contact HP:
Step 1. Open link: www.hp.com/contacthp/
Step 2. Enter Product number or select to auto detect
Step 3. Scroll down to "Still need help? Complete the form to select your contact options"
Step 4. Scroll down and click on: HP contact options - click on Get phone number
Case number and phone number appear
ℜ a i n b o w 7000
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