Brother / HL-L5210 office laser family

Paper is Jammed in the 2-sided Tray - A duplex paper jam was detected in the 2-sided path.

A duplex paper jam was detected in the 2-sided path.

This guide is scoped to the HL-L5210 office laser family family. Exact menu wording, cartridge naming, and service behavior can still vary by model variant and firmware.

Severity

Medium

Most likely cause

Paper is curling or stalling in the duplex path.

Can you keep using it?

Maybe after the first checks

Consumables involved

Paper, 2-sided tray

Can you keep using it?

Can you keep using it?

Contact customer support if any of these apply

  • !The same duplex jam returns on fresh supported paper.
  • !The duplex path will not feed clean sheets cleanly at all.
If the printer still starts normally: Finish the first checks once, then stop if the same message repeats or the printer still cannot return to ready.

What to check first

Step-by-step checks

  1. 1

    Safe first step

    Clear the duplex path fully before retrying.

    Start with the official recovery step before moving on to parts or deeper servicing.

  2. 2

    Escalate

    Use fresh, flat supported paper for the next test print.

  3. 3

    Safe first step

    Retry one short duplex job once the path is clear.

Background

What this message usually means

Brother shows Paper is Jammed in the 2-sided Tray when the HL-L5210 family cannot clear a sheet through the duplex path. It usually points to curled paper, mixed media, or scraps left in the 2-sided feed area.

Diagnosis

Likely causes

Most common

Paper is curling or stalling in the duplex path.

Common

A scrap remains in the 2-sided tray area.

Possible

The printer is trying to duplex unsupported or badly loaded media.

Service

When service or replacement is more likely

  • -This is a duplex-path jam, not a supply recognition problem.

See also

Related codes in this family

Explore more

More Brother printer families

Keep browsing

Where to go next

Source notes

Brother's HL-L5210DN error-message list includes Paper is Jammed in the 2-sided Tray as a duplex jam message.

Built around Brother HL-L5210DN-class official error-message guidance. Exact wording can vary by regional firmware and closely related office-laser variants.

Printer error codes can vary a little by firmware, region, and exact model variant. Use this guide as a family-level starting point and stop if the next step would require disassembly or service-mode changes.

Known family variants: HL-L5210DN, HL-L5210DW

Last reviewed: 2026-04-12

Reference: Open reference

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