HAT Services

• Can Onsite Technical Services (OTS) be refunded?
• What are HAT Onsite Technical Services (OTS)?

Challenger Easy Ink Delivery

• Challenger Easy Ink Delivery Service - HP Terms of Use
• Why is ink monitoring unavailable?
• What happens if I unsubscribe from Challenger Easy Ink Delivery?
• Web Services: Using HP Smart Mobile Application
• Web Services: Printers without a touchscreen panel
• Web Services: Printers with a touchscreen panel
• How does Challenger's HP Easy Ink Delivery works?