Joe B.

Expert ★★★★★ 27,853 satisfied customers

Specialities: HP LaserJet Pro & Enterprise, paper path jams, registration assemblies, duplex/fuser issues, small business print fleets

Clear HP LaserJet 13.A2.D0 — registration jam at pre-feed/registration sensor, tray 2 path & right door

Technician

Hey! We’ll walk through a proper fix for your HP LaserJet 13.A2.D0 registration jam that won’t clear so you’re not stuck power-cycling all day.
To target this: which HP LaserJet model are you using (e.g. Pro M404/M428, MFP, Enterprise series)? Does the error show as soon as you turn the printer on, or only when pulling from Tray 2? And when you open doors you don’t see any obvious paper, just the 13.A2.D0 code hanging around?

Customer

It’s an HP LaserJet Pro. The display shows 13.A2.D0 Jam in registration area. I’ve opened everything I can, pulled some paper, but the registration jam message won’t clear. It comes back every time I try to print.

Technician

Perfect, thanks. The 13.A2.D0 code is a registration-area jam — the page didn’t pass the pre-feed / registration sensor on time, or that sensor still “sees” paper after you think it’s gone.
Typical causes on HP LaserJet Pro/Enterprise devices:
• A small strip of paper stuck just above Tray 2 pickup, under the cartridge, or behind the registration rollers.
• Curled or damp media from Tray 2 hanging up at the registration assembly.
• Worn rollers or dirty registration sensor flag.
• Residual jam bits after a previous 13.A2, 13.B2, or 13.B9 event.
We’ll do a thorough pass along the paper path so the error properly clears — no forcing pages or damaging the fuser.

Customer

I only pulled the visible sheet from the front. Where exactly is this “registration area” and how do I check it without breaking anything?

Technician

Great question.
Step 1 — Power down and clear the true registration path
1) Turn the printer off and unplug the power cord (prevents fuser burns and sensor damage).
2) Remove Tray 2 completely. With a flashlight, look into the cavity above the tray guides. Gently pull out any scraps of paper or folded corners — these often cause persistent 13.A2.D0 registration jams.
3) Open the front door and take out the toner cartridge. Look down into the slot where paper feeds up from Tray 2 into the cartridge area. If you see a thin strip or accordion-folded sheet, pull it slowly with both hands in the normal paper path direction.
4) If there’s a right-side or rear access door on your model, open it and check between the registration area and fuser — any remnant there can keep the registration sensor flag from resetting.
Don’t yank paper backward; always pull in the feed direction so we don’t bend registration sensors or scratch the transfer roller.

Customer

I found a narrow strip above Tray 2 and another piece under the cartridge. Removed both. Do I just restart now or is there more to clean?

Technician

Nice catch — that’s exactly what usually keeps 13.A2.D0 stuck on the screen.
Step 2 — Check registration rollers and sensor flag
• With the cartridge still out, gently rotate the visible grey/black rollers near the front: they should move freely, no flat spots or heavy toner buildup.
• Look for a small plastic sensor flag (lever) in the registration area. It must move freely and return to rest. If jammed with toner, dust, or bent from pulling paper, the device thinks there’s a permanent registration jam.
• If needed, wipe rollers carefully with a lint-free cloth very lightly dampened with water (no solvents on rubber). Don’t force the flag; just confirm it’s not stuck in the “paper present” position.
Once it all moves freely and no scraps remain, we’ll reload paper correctly and test.

Customer

The flag moves. Rollers look dusty but okay. What about the tray or paper? Could that be causing the 13.A2.D0?

Technician

Yes — wrong media setup is a common trigger.
Step 3 — Fix Tray 2 and media to prevent repeat registration jams
• Remove the stack from Tray 2. Fan it, discard curled, damp, or damaged sheets.
• Adjust the blue guides snug to the paper (not squeezing). If guides are too wide/too tight, pages skew and stall at the registration sensor.
• Use supported media only: plain 75–90 gsm for general mono printing unless HP explicitly supports heavier stock in that tray.
• On the printer’s control panel, confirm Tray 2 size & type match what you’ve loaded (e.g. A4 Plain, Letter Plain). Mismatches can create late-to-registration timing and 13.A2.D0 events.
Reload a clean stack, reinsert Tray 2 fully, then reinstall the toner cartridge and close all doors firmly so each door sensor latches.

Customer

Done. If I power it on now and it still shows 13.A2.D0, what next? Is there a reset?

Technician

Exactly — let’s confirm it’s not a residual registration jam error.
Step 4 — Clean power cycle & test print
1) Plug the power cable back in and turn the HP LaserJet on with all doors closed.
2) If it comes ready, print a Configuration / Status page from the control panel. Watch: paper should feed smoothly from Tray 2, through the registration rollers, into the fuser, and exit flat.
3) If 13.A2.D0 appears immediately at power-on, reopen Tray 2 and all doors, close them one by one. A mis-seated tray or door can make the device think there is paper stuck at registration.
4) Still stuck? Some models store a residual jam flag. Use the control panel “Restart” or power off for 30–60 seconds, then power back on. If the path is clear, the registration jam won’t clear message should finally disappear.

Customer

If it keeps coming back even after all that, is it a bad sensor or registration assembly? I can’t afford downtime.

Technician

Good thinking. A persistent 13.A2.D0 after a perfect clean-out often means:
• The registration sensor flag is broken, stuck, or not returning home.
• The registration assembly or pre-feed rollers are worn and causing late-to-sensor timing events.
• Toner build-up under the flag pivot is holding it in “paper present”.
For advanced checks (what we usually guide live):
• Run the printer’s built-in sensor test / event log (available on many HP Enterprise and newer Pro models) to see if the registration sensor is stuck ON.
• Inspect for cracked plastic around the registration assembly.
If the sensor never toggles, the fix is typically a registration assembly replacement — cheaper than a new device for most workgroup LaserJets.

Customer

For now it printed a config page fine. How do I stop this 13.A2.D0 registration jam from happening again, especially on big jobs?

Technician

Perfect — that means we cleared the real jam and the sensor can see cleanly again.
Prevention checklist:
• Use quality, flat paper within HP’s spec; store reams sealed so they don’t curl and cause late-to-registration jams.
• Keep Tray 2 guides correctly set after every reload; don’t overfill the tray above the max line.
• Every few weeks, clean the pickup and registration rollers with a lint-free cloth to maintain grip.
• Avoid pulling stuck sheets backward; always open doors and pull in the paper path direction to protect the registration sensor and fuser.
Do this and you dramatically reduce repeat 13.A2.D0 registration jam calls during runs.

Customer

Got it. It’s running smoothly now, no more 13.A2.D0. Thanks for walking me through it.

Technician

Summary: To fix an HP LaserJet 13.A2.D0 registration jam that won’t clear, power off, remove Tray 2 and the cartridge, clear every scrap from the pre-feed/registration area, verify the registration sensor flag moves freely, reload correct paper with tight guides, and run a clean power-on test. If the error persists with a clear path, the registration sensor or assembly may need service. Not sure which? Open the chat — an expert can review symptoms live and help you avoid unnecessary parts.

Quick answer: the accepted fix for 13.A2.D0

Accepted fix when your HP LaserJet shows 13.A2.D0 registration jam won’t clear: turn the printer off, remove Tray 2 and the toner cartridge, carefully pull all paper fragments from the tray cavity and registration area in the feed direction, confirm the registration sensor flag moves freely, reload flat paper with correct tray guides and settings, then power on and print a test page. If 13.A2.D0 returns with a clean path, it’s likely a failing registration sensor or assembly — chat with an expert before replacing hardware.

FAQ

Step-by-step: clear HP LaserJet 13.A2.D0 registration jam

1. Turn off the printer and unplug the power cord.
2. Remove Tray 2 and inspect the cavity for torn paper or debris; remove everything in the feed direction.
3. Open the front door, remove the toner cartridge, and clear any stuck paper in the registration area.
4. Check that the registration sensor flag moves freely and is not blocked or broken.
5. Reload flat, supported paper in Tray 2 with correctly set guides and close all doors.
6. Power on, print internal test pages, and verify no new 13.A2.D0 jam appears.

Using HP LaserJet with PCs & Macs after a 13.A2.D0 jam

1. Once the hardware jam is cleared, cancel pending jobs on Windows/macOS so they don’t re-trigger errors.
2. Print a local test page from each computer to confirm the queue, driver, and device are back in sync.
3. If errors persist only from one device, update the HP driver and remove stale print queues.

Sources

• HP Support — Paper jam & 13.x error troubleshooting by model
• HP — 13.A2/13.A3 jam error (tray/registration path) guidance
• PrinterTechs — HP LaserJet paper jam error code reference

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