MECH-11
HP · HP Smart Tank 7001 All-in-One Wireless Ink Tank Printer with Auto Duplex, ADF, and Refillable Ink System
Paper jams in the rear duplex path during two-sided printing — clear from the rear access door; use standard weight paper (75-90 gsm); the Smart Tank ink system deposits more ink than laser toner, making pages slightly more susceptible to curling during duplex due to moisture content
Error MECH-11 on the HP HP Smart Tank 7001 All-in-One Wireless Ink Tank Printer with Auto Duplex, ADF, and Refillable Ink System means: Auto Duplex Paper Jam. The top-ranked community fix is “Inspect and Replace Duplex Roller Assembly” (medium difficulty, ~60 min, DIY cost: $20-$30). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · printer
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many printer repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $150-$220.
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:
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