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What This Error Means

Xerox Error 20 typically indicates a paper jam or detection issue within the standard paper path, often before or after the fuser unit.

Detailed Explanation

Error Code 20 on a Xerox printer is a general alert signifying a paper path obstruction or a sensor failure that mimics a jam. This error usually occurs when the printer's internal sensors detect that paper has either stopped moving unexpectedly or has not reached a specific point in the paper path within a designated timeframe. It's crucial to understand that while it often points to a physical jam, it can also be triggered by a misfeed, a torn piece of paper, or even a faulty sensor that incorrectly reports a jam. Common causes include improperly loaded paper trays, using incorrect paper types or weights, worn-out feed rollers, or foreign objects obstructing the paper's journey through the printer. Sometimes, the paper might have successfully passed through the printer, but a sticky or dirty sensor fails to register its passage, leading to a phantom jam error. This error prevents further printing until the issue is cleared, ensuring the printer's mechanics are not damaged by continuous attempts to print through an obstruction.

DIY Troubleshooting Steps

Try these steps before calling a specialist

1
Power cycle the printer: Turn off the printer, unplug it from the wall, wait 60 seconds, then plug it back in and power it on. This can reset sensors.
2
Open all access doors and thoroughly inspect the paper path: Carefully look for any visible paper scraps, torn pieces, or foreign objects. Use a flashlight if necessary.
3
Remove and reinsert all paper trays: Ensure paper is loaded correctly, not overfilled, and that the guides are snug against the paper stack without being too tight.
4
Check for paper stuck in the fuser area: This is often located at the back or side of the printer. Be cautious as the fuser can be hot. Gently pull any jammed paper in the direction of the paper path.
5
Inspect feed rollers: Look for any wear, dirt, or debris on the paper pickup and feed rollers. Gently clean them with a lint-free cloth dampened with water or isopropyl alcohol.
6
Try printing from a different paper tray or with a different type of paper: This can help determine if the issue is specific to a tray or paper type.
7
Perform a test print or configuration page: If the printer has this option, try printing a diagnostic page from the control panel to see if the jam recurs immediately.
8
Ensure all covers and trays are securely closed: The printer will not operate if any access points are open or not fully latched.

When to Call a Specialist

If you've meticulously followed all DIY troubleshooting steps, including a thorough inspection of the entire paper path, cleaning rollers, and power cycling, and the 'Error 20' persists, it's time to contact a specialist. This usually indicates a more complex issue such as a failing paper sensor, a worn-out fuser assembly, a damaged feed roller mechanism that requires replacement, or an internal electronic fault. Attempting further repairs without proper tools or expertise could cause additional damage to the printer.

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XEROX Error Code 20