HP HP Smart Tank 7001 All-in-One Wireless Ink Tank Printer with Auto Duplex, ADF, and Refillable Ink System E2 Error Fix: Paper Size Mismatch

Error code E2 on the HP HP Smart Tank 7001 All-in-One Wireless Ink Tank Printer with Auto Duplex, ADF, and Refillable Ink System means: Paper Size Mismatch. The paper loaded does not match the paper size selected in the print driver or HP Smart app — either load the matching paper size or change the paper size setting to match the loaded stock

The most successful fix is "Calibrate Paper Size Sensor and Update Firmware" (medium difficulty, ~25 minutes). Estimated DIY cost: $0-$10. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Calibrate Paper Size Sensor and Update Firmware") is rated medium difficulty and takes about 25 minutes. Tools needed: Compressed air canister.

DIY cost: $0-$10. Professional repair typically costs $120-$160. Many homeowners save money by trying the top-ranked community fix first.

The HP HP Smart Tank 7001 All-in-One Wireless Ink Tank Printer with Auto Duplex, ADF, and Refillable Ink System has 8 other known error codes, including: ADF-JAM (Document Feeder Paper Jam), E0 (Ink Access Door Open), E1 (No Paper in Input Tray), E3 (Carriage Jam), E4 (Paper Jam), and 3 more.

Error code E2 also appears on 4 other HP models: DeskJet 4155e Wireless All-in-One Printer with Mobile Printing and 4800 x 1200 dpi Color Resolution, ENVY 6055e All-in-One Wireless Printer with Auto 2-Sided Printing and Smart App Integration, HP OfficeJet Pro 9015e All-in-One Wireless Inkjet Printer with Auto 2-Sided Printing, 35-Page ADF, Fax, and 22 ppm, OfficeJet Pro 8025e Wireless All-in-One Printer with 20 ppm, Smart Tasks, and Mobile Fax. The fix may vary by model, so check each model's specific page for tailored repair steps.