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13.0A

HP · LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing

HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing 13.0A Error Fix: Paper Jam in Duplex Unit

Paper jammed in the duplex printing path behind the rear door — open the rear door and remove jammed paper; use 75-90 gsm paper for reliable duplex; ensure rear door latches securely after clearing; the M404dn is a high-volume printer and duplex path rollers may wear faster

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error 13.0A on the HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing means: Paper Jam in Duplex Unit. The top-ranked community fix is “Replace Duplex Unit Rollers and Inspect Rear Door Mechanism” (medium difficulty, ~40 min, DIY cost: $15-$25). 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.

When to Call a Professional

While many printer repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $130-$180.

Other HP Models with Error 13.0A

HP Color LaserJet Pro M255dw Wireless Color Laser Printer with Auto Duplex Printing and 22 ppm

printer · 2 fixes

LaserJet M209dw Mono Wireless Printer with 30 ppm Print Speed and 1200 x 1200 dpi Resolution

printer · 2 fixes

Other HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing Error Codes

10.10.00

Supply Memory Error

2 fixes

13.01

Paper Jam in Tray 1 (Multipurpose 100-Sheet Tray)

2 fixes

13.02

Paper Jam in Tray 2 (Main 250-Sheet Cassette)

2 fixes

13.03

Paper Jam in Tray 3 (Optional 550-Sheet Tray)

2 fixes

13.05

Paper Jam in Fuser Area

2 fixes

13.06

Paper Jam in Output Bin

2 fixes

41.3

Unexpected Paper Size

2 fixes

49.XX.XX

Critical Firmware Error

2 fixes

People Also Ask About HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing Error 13.0A

What does error code 13.0A mean on a HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing?

Error code 13.0A on the HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing means: Paper Jam in Duplex Unit. Paper jammed in the duplex printing path behind the rear door — open the rear door and remove jammed paper; use 75-90 gsm paper for reliable duplex; ensure rear door latches securely after clearing; the M404dn is a high-volume printer and duplex path rollers may wear faster

How do I fix error code 13.0A on my HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing?

The most successful fix is "Replace Duplex Unit Rollers and Inspect Rear Door Mechanism" (medium difficulty, ~40 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

Is error code 13.0A on a HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing serious?

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

Can I fix HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing error 13.0A myself?

Yes — the top-ranked community fix ("Replace Duplex Unit Rollers and Inspect Rear Door Mechanism") is rated medium difficulty and takes about 40 minutes. Tools needed: T20 Torx screwdriver, Flashlight.

How much does it cost to repair HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing error 13.0A?

DIY cost: $15-$25. Professional repair typically costs $130-$180. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing have?

The HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing has 8 other known error codes, including: 10.10.00 (Supply Memory Error), 13.01 (Paper Jam in Tray 1 (Multipurpose 100-Sheet Tray)), 13.02 (Paper Jam in Tray 2 (Main 250-Sheet Cassette)), 13.03 (Paper Jam in Tray 3 (Optional 550-Sheet Tray)), 13.05 (Paper Jam in Fuser Area), and 3 more.

Which other HP models have the 13.0A error?

Error code 13.0A also appears on 2 other HP models: HP Color LaserJet Pro M255dw Wireless Color Laser Printer with Auto Duplex Printing and 22 ppm, LaserJet M209dw Mono Wireless Printer with 30 ppm Print Speed and 1200 x 1200 dpi Resolution. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing have?

The HP LaserJet Pro M404dn Mono Laser Printer with 40 ppm, Ethernet, and Duplex Printing has 8 other known error codes:

10.10.00 — Supply Memory Error (2 fixes)
13.01 — Paper Jam in Tray 1 (Multipurpose 100-Sheet Tray) (2 fixes)
13.02 — Paper Jam in Tray 2 (Main 250-Sheet Cassette) (2 fixes)
13.03 — Paper Jam in Tray 3 (Optional 550-Sheet Tray) (2 fixes)
13.05 — Paper Jam in Fuser Area (2 fixes)
13.06 — Paper Jam in Output Bin (2 fixes)
41.3 — Unexpected Paper Size (2 fixes)
49.XX.XX — Critical Firmware Error (2 fixes)

Which other HP models have the 13.0A error?

Error code 13.0A also appears on 2 other HP models:

HP Color LaserJet Pro M255dw Wireless Color Laser Printer with Auto Duplex Printing and 22 ppm (printer) · 2 fixes
LaserJet M209dw Mono Wireless Printer with 30 ppm Print Speed and 1200 x 1200 dpi Resolution (printer) · 2 fixes

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