HP Printer Warning Lights on HP Laser 100 Printers [How to Fix]

In this article, we will discuss the meaning of HP printer warning lights on HP Laser 100 printers and how to clear the warning lights.

Note: The guide below is for HP Laser 108w, 108a, 107w, 107r, 107a, and 103a printers.

HP Laserjet 1020 Black & White Laser Printer Q5911A

Table of Contents

Blinking Attention Light – HP Printer Warning Lights on HP Laser 100 Printers

The attention light will continue to blink when HP Laser 100 printers enter an error state.

We will discuss several blinking attention light scenarios on HP Laser 100 printers and how to resolve the error.

1. Blinking Attention Light and “Door is open. Close it.” is Displayed – HP Printer Warning Lights on HP Laser 100 Printers

When this happens, it means that your printer’s top cover isn’t completely closed or it is open. To solve this error, close the printer’s top cover completely. 

2. Blinking Attention Light and “Paper jam or empty in tray” is Displayed – HP Printer Warning Lights on HP Laser 100 Printers

This error occurs when there is no paper in the printer’s input tray. To fix this problem, load the tray with supported paper.

How to Load Plain Paper in HP Laser 100 Printers – HP Printer Warning Lights on HP Laser 100 Printers

To load plain paper in HP Laser 100 printers, do the following steps:

Step 1: Open the printer’s paper input tray.

Step 2: Move the tray’s paper width guides to the edges of the tray.

Step 3: Place a stack of paper into the tray with the print side facing up.

Ensure that the paper stack doesn’t exceed the paper fill guide. This is necessary to prevent the occurrence of paper jams.

Step 4: Move the width guides to the paper stack edges.

Ensure that the guides don’t squeeze the stack.

Before you print, confirm that the paper settings in the print settings match the loaded paper size and type.

How to Load Envelopes in HP Laser 100 Printers – HP Printer Warning Lights on HP Laser 100 Printers

GUIDELINES

i. You can load a maximum of 5 envelopes into the tray.

ii. Don’t use envelopes that have coated linings, self-stick adhesives, windows, snaps, clasps, or heat-susceptible synthetic materials.

iii. If the envelope has peel-off adhesive strips, then you need to ensure that the envelope can be used by laser printers.

iv. Use only envelopes designed for laser printers.

v. Don’t use wrinkled, stuck-together, nicked, or any form of damaged envelopes.

vi. Use envelopes that have seams extending to the corners.

To load plain paper in HP Laser 100 printers, do the following steps:

Step 1: Open the printer’s paper input tray.

Step 2: Move the tray’s paper width guides to the edges of the tray.

Step 3: Place the envelope into the tray with the print side facing up.

Step 4: Move the width guides to the enveloper stack edges.

Ensure that the guides don’t squeeze the stack.

Before you print, confirm that the paper settings in the print settings match the loaded paper size and type.

We recommend that you read this article: HP Printer Warning [Detailed Guide] to learn about other HP printer warnings that you might encounter when using your HP printer.

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3. Blinking Attention Light and “Paper jam inside of machine” is Displayed – HP Printer Warning Lights on HP Laser 100 Printers

When this happens, it means that there is paper jammed in your printer. To resolve this problem, locate and remove the jammed paper within your paper. If you check and can’t find any jammed paper, reset your HP printer.

For a more detailed explanation, do the following tasks to resolve the problem:

1. Clear the Jam Automatically – HP Printer Warning Lights on HP Laser 100 Printers

To clear the jam automatically, do the following steps:

Step 1: Close your printer’s output support,

Step 2: Raise your printer’s top cover.

Step 3: Close your printer’s top cover.

Step 4: Open your printer’s output support.

Your printer will remove the jammed paper automatically.

If this doesn’t work, do the next task.

2. Clear the Jam from Input Tray – HP Printer Warning Lights on HP Laser 100 Printers

Although the displayed message is “Paper jam inside of machine,” you still need to check the input tray for a paper jam.

To clear the jam from your printer’s input tray, do these steps:

Step 1: Take out the loaded paper from the printer’s input tray.

Step 2: Gently pull out the jammed paper found in the tray with both hands.

Step 3: Close the printer’s output source.

Step 4: Lift the printer’s top cover.

Step 5: Close the printer’s top cover.

This should resolve the error.

However, if it doesn’t, do the next task.

3. Clear the Jam from Inside your printer – HP Printer Warning Lights on HP Laser 100 Printers

To clean the jam from inside your printer, do the following steps:

Step 1: Turn your HP printer off.

Step 2: Remove the printer’s power cable from the wall outlet.

Warning: Ensure that you remove the printer’s power cable from the outlet before you reach inside your printer to prevent electric shock or injuries.

Step 3: Raise the printer’s top cover.

Step 4: Take out the toner cartridge from your printer, by grabbing its handle and pulling it out.

Step 5: Raise the printer’s fuser unit cover.

Warning: When working on this area, apply caution as this area is usually hot.

Step 6: Gently pull out the jammed paper from your printer with both hands.

Step 7: Close the printer’s fuser unit cover.

Step 8: Reinstall the cartridge into your printer.

Step 9: Close the printer’s top cover.

Step 10: Plug the power cable into your printer.

Step 11: Turn on your HP printer.

If this doesn’t work, reset your printer

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4. How to Reset HP Laser 100 Printers – HP Printer Warning Lights on HP Laser 100 Printers

Sometimes, the error might be a false jam that requires you to reset your printer. To reset your HP Laser 100 printer, do the steps below:

Step 1: Turn on your HP printer (if it is turned off).

Step 2: Remove the power cable from your printer.

Step 3: Disconnect the power cable from its connected power source.

Step 4: Wait for 60 seconds.

Step 5: Plug the power cable into an electrical outlet as recommended by HP instead of any other power source.

Step 6: Connect the power cable to your printer.

You can read this article: How to Reset HP Printer [Detailed Guide] to learn other types of resets that you can perform on your HP printer.

Check if the issue is resolved.

If the issue persists, contact HP Customer Support and schedule a repair for your printer. The repair is free provided your printer is still under warranty. In case it cannot be repaired, products under warranty will be replaced for free.

We also recommend that you read the following paper jam-related articles:

HP Paper Jam Error Codes [How to Fix]

HP Printer ADF Jam [How to Fix]

HP Printer Jam in Tray 1 [How to Fix]

HP Printer Jam in Tray 2 [How to Fix]

HP Printer Jam in Tray 3 [How to Fix]

HP Printer Jam [Issues & Solutions]

Solid Attention Light – HP Printer Warning Lights on HP Laser 100 Printers

This happens when your HP printer enters a fatal error state. Follow the solutions below to resolve the problem.

1. Reset your HP Printer – HP Printer Warning Lights on HP Laser 100 Printers

To reset your HP printer, follow the steps we shared under the How to Reset HP Laser 100 Printerssection of this article.

After resetting your printer, check if the issue is resolved.

If you still encounter the issue, do the next solution.

2. Plug your Printer’s Power Cable Straight into a Wall Outlet – HP Printer Warning Lights on HP Laser 100 Printers

Follow the steps below to plug your HP printer’s power cable directly into a wall outlet:

Step 1: Remove the printer’s power cable from your HP printer.

Step 2: Remove the printer’s power cable from its connected power source (surge protectors, power strips, etc.)

Step 3: Connect the printer’s power cable directly to a wall outlet.

Step 4: Plug the cable into your HP printer.

Step 5: Turn on your HP printer.

Check if the issue is resolved.

If you still experience the issue, use another outlet as the problem might be the result of a bad electrical wall outlet.

If using the second outlet doesn’t restore the problem, then you need to service your HP printer.

To service your HP printer, contact HP Customer Support and fix a repair date for your printer. If you live in the Asia Pacific, you will be redirected to a service center close to you. 

Printers that are still under warranty will be repaired for free. However, if your printer is no longer under warranty, you will pay the repair fees.

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Blinking Attention and Toner Light and “Toner cartridge is not installed” is displayed – HP Printer Warning Lights on HP Laser 100 Printers

When you see this, it means that the cartridge isn’t installed, or it was installed incorrectly. To fix this problem, you need to install the cartridge if you haven’t.

However, if you installed the cartridge already, you need to reinstall it correctly.

How to Reinstall Toner Cartridge in HP Laser 100 Printers – HP Printer Warning Lights on HP Laser 100 Printers

To reinstall the toner cartridge in an HP Laser 100 printer, follow the steps below:

Step 1: Open the printer’s top cover.

Step 2: Grab the cartridge handle and then pull out the cartridge from your printer.

Step 3: Align the toner cartridge with the cartridge path within the printer.

Step 4: Push the cartridge into the printer.

Ensure that it is secured and firmly in place.

Step 5: Close the printer’s top cover.

After reinstalling the cartridge, check if the issue is resolved.

If you still encounter the issue, then you need to service your HP printer.

Toner Light Blinks for 10 Seconds and then becomes Solid and “Replace with new toner cartridge” is displayed – HP Printer Warning Lights on HP Laser 100 Printers

When this happens, it is an indication that the installed cartridge is almost empty or completely empty.

Although you can still use your printer when you see this warning light without replacing the cartridge; however, you need to replace the cartridge as soon as the print quality becomes unacceptable.

How to Replace Toner Cartridge in HP Laser 100 Printers – HP Printer Warning Lights on HP Laser 100 Printers

To replace the toner cartridge in an HP Laser 100 printer, follow the steps below:

Step 1: Open the printer’s top cover.

Step 2: Grab the cartridge handle and then pull out the used toner cartridge from your printer.

Step 3: Take out the new cartridge from the packaging.

Step 4: Remove the packing materials from the cartridge.

Step 5: Recycle or discard the packing materials.

Step 6: Hold the new cartridge at both ends and then shake it gently from side to side to spread the toner within the cartridge.

Step 7: Align the new toner cartridge with the cartridge path within the printer.

Step 8: Push the cartridge into the printer.

Ensure that it is secured and firmly in place.

Step 9: Close the printer’s top cover.

After replacing the cartridge, check if the issue is resolved.

If you still encounter the issue, then you need to service your HP printer.

Original HP 05A Black Toner Cartridges (2-pack) | Works with HP LaserJet P2035, P2055 Series | CE505D

Blinking Wireless Light – HP Printer Warning Lights on HP Laser 100 Printers

When the wireless light on HP Laser 100 printers is blinking, it is an indication that the wireless network is configuring, your printer is unable to find the wireless signal, or the printer is unable to connect to the wireless network.

How to Clear Blinking Wireless Light on HP Laser 100 Printers – HP Printer Warning Lights on HP Laser 100 Printers

To clear the blinking wireless light on HP Laser 100 printers, do the following:

1. Allow Your Printer to Connect to the Wireless Network – HP Printer Warning Lights on HP Laser 100 Printers

Sometimes, your HP printer might need some minutes for it to connect to your wireless network (access point or router). Therefore, when the wireless light is blinking, you need to be patient while the connection is established. After waiting for some minutes, then you can check the status of the wireless light.

If you discover that your printer’s wireless light is turned on and solid, then it means that the connection is established. Therefore, you don’t need to do any other troubleshooting.

If you check and the light continues to blink, do the next task.

2. Check if the Wireless Network has Issues – HP Printer Warning Lights on HP Laser 100 Printers

Check the following as they might be the reason why your HP printer is not connecting:

i. The wireless network is inactive, or the signal strength is low.  

To confirm that the network is active, check if your access point or router is turned on. Also, check the signal strength and confirm that it is strong.

You can move your printer closer to your router or access point to increase the signal strength. It is recommended that your printer and your router should not be farther away than 3 feet to 5 feet (1.0 to 1.5 meters).

ii. Your printer is in standby or sleep mode.

You need to check your printer and wake it from sleep mode if it is not in ready mode. We recommend that you read this article: HP Printer Sleep Mode [How To, Issues & Solutions] to learn more about HP printer sleep mode. 

iii. Your computer firewall is preventing your printer from connecting to your computer and network.

In this case, you need to temporarily disable your firewall, and then check if the connection is established and the wireless light has stopped blinking.

If the light becomes solid, then the firewall is responsible for the warning light. Therefore, you have to use the printer without enabling the firewall. However, make sure that you enable it when you are done with your printer.

If your printer’s wireless light continues to blink after disabling the firewall, then the firewall is not responsible for the blinking light. Therefore, you need to enable the firewall immediately.

iv. The signal of your wireless network is being interfered with by a device that is emitting radio signals (for example a cordless telephone or microwave).

If you have such devices close to your printer or router, you need to move them away.

v. A VPN (Virtual Private Network) is preventing your printer from your wireless network and computer.

After correcting each item listed above, check if the wireless light has stopped blinking.

If the wireless light becomes steady, then you don’t need to do any other troubleshooting.

However, if the light continues to blink, do the next task.

3. Connect your HP Printer to the Wireless Network – HP Printer Warning Lights on HP Laser 100 Printers

 At this point, you need to connect your HP printer to your wireless network. Consult your printer manual to learn the process of doing this. 

Blinking Power Light – HP Printer Warning Lights on HP Laser 100 Printers

When your printer’s power light begins to blink, it means that the printer has entered power save mode. The blinking power light also occurs when your printer is printing. You don’t have to do anything when this occurs.