21:10 Error Code HP Printer
HP printers are supposed to be the best printers globally. However, in spite of being a good brand name with multi-functionality features, HP printers also face many technical problems. One common printer error is 21:10, which is usually seen in HP Designjet Printer Models 500/510/800 Series. This is a printer-system error which can be resolved by following basic troubleshooting steps.
Let us find out in this article the causes of HP printer error 21:10. Let us also find out how to solve the error on your own. However, it is always to better to get technical support to resolve such issues.
Causes 21:10 Error HP Printer Machine
Causes
This is basically a service station error. There can be other causes too for the error 21:10. These are as follows:
- Small tit bits of paper blocking the movement
- Dirt and dust with leaking ink spots
- Movement of the carriage off the track
- Broken plastic materials inside
- Wrong carriage’s position
- Bad print heads etc.
Troubleshooting Steps HP Printer Error 21:10
How to resolve HP printer error 21:10? >
Follow the steps given below to correctly troubleshoot the problem:
- Disconnect the power cord from the printer and the wall outlet.
- Open the cover of the printer
- Move the carriage to the left to bring out of the printer’s service station
- Make sure you move the carriage smoothly and it comes out automatically when you try to initialize it
- Do not move in force
- Manually move the carriage a couple of times
- Remove any visible obstructions in the service station and printing area
- Also check the carriage belt
- Ensure that it is tight and not in bad condition
- Now, clean the carriage rod
- You can use synthetic oil to clean the rod and make it smooth
- Also, check the trailing cables so that these move freely when the carriage moves
- Clean the Encoder Strip using a non-abrasive liquid and a dry cloth. Do not scratch it
- Now, remove all the print heads (PH).
- For this, open the blue latch and lift up the carriage cover. With the help of the blue handle on every PH, lift and take the PHs out.
- Once the PHs have been removed, close the carriage cover
- Leave the carriage in the middle of the printer
- Close the Window
- Reconnect the power cord
- Restart the printer
- Wait for the message “insert the PHs”
- Reinstall the PH
- Close the cover
- Now give the print command
Your printing error is resolved if the insert PH message is displayed. If this does not appear, it means the error problem is still there. Disconnect, reconnect and restart the printer a number of times. If the error still persists, call for technical support.
Method 2: Get new printheads
Method 3: Perform FIRMWARE (FW) update
Call us for assistance at 
We can help you in resolving your HP printer error 21:10. First of all, if you are not being able to move the carriage manually at the first place, give us a call right away. We will explain you the steps to unlock the carriage. We can give you complete support to get rid of the entire issue if you do not want to trouble shoot yourself. Call us at Printer Support Phone
to resolve your printer error 21:10.
Scope of services
- We are available 24 hours to provide your instant solution
- We can check whether your print heads require replacement or not or just a proper cleaning will solve the issue
- Let the Firmware update be done by professionals like us
- We offer our services at affordable rates. No hidden costs involved
- We are backed by a team of professional experts who can handle all printer related issues, including printer error 21:10
