HP Printer E0 Error: Carriage Jam Fix for DeskJet and ENVY

Quick Answer

HP E0 is a carriage jam error, and on DeskJet 2700e, 4100e, and ENVY 6000 series, the most common cause is NOT paper stuck in the carriage path. It is actually the plastic carriage guide rail that develops a hairline crack from repeated thermal cycling (the printer heats up during use, cools when idle). When the rail cracks, the carriage catches on the damaged section and triggers E0.

In my 15 years fixing HP DeskJets, E0 is honestly the most frustrating code because there's rarely any actual paper jammed. What you're probably dealing with is a physical hitch in the carriage movement. If you hear grinding or chattering right before the error pops up, that printer's struggling to find its home position. Usually it's a dirty encoder strip or a tiny plastic burr on the rail that needs a quick smoothing to get back to work.

HpPrinterSeverity: moderate70% DIY Success

Time to Fix

10–45 min

Difficulty

beginner

Parts Cost

$3 – $60

Tools Needed

Phillips #2 screwdriver, Flashlight or headlamp

What Does the E0 Code Mean?

Most of my customers call me thinking they've got a paper jam, but they can't find a single scrap of paper. That's the hallmark of E0. It's a mechanical failure where the logic board thinks the carriage is stuck. Before you go out and buy a new ENVY or DeskJet, there are three specific spots we need to check that usually resolve this without spending a dime on parts.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Cracked plastic carriage guide rail40%

Dried ink on encoder strip24%

Paper fragment stuck in carriage path14%

Carriage belt slipped or broken12%

Ink cartridge not seated properly10%

Symptoms You May Notice

The display shows E0 and the printer won't even try to print, just blinks at you like it's given up
You hear a loud chattering or grinding sound when the printer powers on, like something's trying to move but hitting a wall every half-second
The carriage slides partway across then stops suddenly, and you can feel resistance if you try to push it gently by hand
A print job stops dead in the middle of a page, the paper partially ejects, and then E0 shows up on the display
Carriage parks itself hard against the left or right frame and just stays there no matter what you do

Can you reset a Hp printer to clear the E0 code?

To do a proper hard reset, unplug the power cord from the back of the printer while it's still turned on, not after you've already shut it down. Wait a full 60 seconds. Then press and hold the power button for 15 seconds to drain whatever's left in the capacitors. When you plug it back in, go straight into a wall outlet, not a power strip. Power strips can drop voltage and that carriage motor needs full power to clear a stall on startup.

Tools Required for Diagnosis

Phillips #2 screwdriverFlashlight or headlampLint-free microfiber clothDistilled water400-grit sandpaper, small pieceWhite lithium grease or sewing machine oil (optional, for rail lubrication after cleaning)

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
HP Ink Cartridge SetModel-specific · $20–$60	Model-specific	$20 – $60
400-grit sandpaperN/A · $3–$5	N/A	$3 – $5

Frequently Asked Questions

E0 keeps coming back after I clear it. Why?

If it keeps coming back, the printer's probably failing its startup calibration every time. This usually means the encoder strip is still slightly hazy or the carriage belt has stretched over time. Clean the strip one more time with a fresh cloth. If that doesn't fix it, feel the tension on that black rubber belt. If it's even a little floppy, the motor can't accurately track carriage position and it'll throw E0 every single time. A replacement belt for these models runs about $8-12 on eBay and it's a pretty straightforward swap if you're comfortable with small repairs.

Is it worth fixing E0 or should I buy a new printer?

For a basic DeskJet, honestly, if the cleaning and sanding don't work within 20 minutes just upgrade. These entry-level printers aren't built to be rebuilt. But if you've got an ENVY Inspire or an OfficeJet, it's absolutely worth the effort. These mechanical jams are almost always fixable with patience and a flashlight. The carriage assembly on a DeskJet 2700e costs about $35 on its own, and a replacement printer is like $60, so do the math and figure out what your time is worth.

Can I use WD-40 to lubricate the carriage rail?

Don't. WD-40 will feel great for about a week and then it gums up, attracts dust, and you'll have a worse jam than you started with. If you want to lubricate the rail after cleaning it, use a tiny amount of white lithium grease or sewing machine oil. I mean tiny, like a pea-sized drop spread thin. The encoder strip runs right next to that rail and you absolutely don't want any lubricant getting on it, so be precise about where you apply it.

What if the carriage is physically stuck and won't move at all?

Don't force it. If there's a physical obstruction, forcing it will either snap the belt or crack the carriage housing, and then you're definitely buying a new printer. With the printer unplugged, look inside with your flashlight for anything blocking movement. I've pulled out a paper clip, a staple, and once a LEGO piece from these things, no joke. If you can't see anything blocking it and it still won't move freely, there's probably a broken tooth on the carriage belt pulley and that's usually the end of the road for a budget DeskJet.

Will HP's diagnostic tool help with E0?

Yeah, actually it's worth running before you tear anything apart. HP's Print and Scan Doctor is a free download from HP's support site and it'll try to move the carriage through its full range of motion and tell you where it's failing. I've had it pinpoint a specific position where the carriage catches, which saves you from feeling around blindly. It won't fix the physical problem obviously, but it's solid intel before you start poking around inside.

Related Hp Printer Error Codes

Code: HUBHP Printer Error Codes: Complete Guide Code: E3HP Printer E3: Carriage Jam Variant Code: E4HP Printer E4: Paper Jam

Models Known to Experience E0 Errors

This repair applies to most Hp printers with this error code. Common model numbers include:

DeskJet 2700e, DeskJet 2755e, DeskJet 4100e, DeskJet 4155e, ENVY 6055e, ENVY 6455e, ENVY Inspire 7255e

Written by

Sarah Kim

Smart Home & Specialty Appliance Tech · 12 years experience

Last verified for technical accuracy on March 15, 2026