Clearing the Canon Check Ink U1. U1. 50 Error Message. The Check Ink U1. U1. 50 error message appears when a Canon inkjet printer is not able to read one or more of the installed cartridges. Canons definition of the error is The ink cartridge cannot be recognized and text stating this may also appear in a message in your printer software. To communicate with an installed cartridge your printer relies upon a series of gold contacts on the front of your cartridge. If these contacts are obscured by ink, dirt or even protective packaging your printer will be unable to fully control the cartridge and your printer will be unable to print as a result. In most cases however you can get yourself up and running with a basic bit of troubleshooting. What can I do to fix the Check Ink U1. U1. 50 error messageThankfully if something is physically blocking the contacts whether it is visible or not you can usually resolve the issue by cleaning the contacts on the cartridge itself. This will not however resolve the issue if the contacts have been physically or electronically damaged. Open the cover of your printer and remove the relevant cartridge. Switch the printer off using buttons on the body of the printer. DO NOT turn it off at the plug. Double check the label of the cartridge to ensure the correct cartridge is being installed for your printer. How to Reset Purge Counter on a Brother Printer Without Numerical Pad How to Reset Purge Counter on a Brother Printer Without Numerical Pad. HTB1ReO1KpXXXXc1XFXXq6xXFXXXf/Top-selling-PGI-520-CLI-521-chip.jpg' alt='Canon Printer Chip Reset Software' title='Canon Printer Chip Reset Software' />Canon Waste Ink Counter reset. Electronics Components Datasheet Software Applications. Download OnLine service manual. Find service manual or parts list and get it online now Simplest solution is to use the deep clean option in the printer maintenance section. Uses a lot of ink. Inkjet printing is a type of computer printing that recreates a digital image by propelling droplets of ink onto paper, plastic, or other substrates. Inkjet printers. Wipe down the contacts on the front of the cartridge using a piece of kitchen tissue or another not fibrous tissue. Press the power button of the printer to turn it back on. Reinstall the cartridge, ensuring the cartridge is returned to the correct blackcolour section of the cradle. You should hopefully notice that the Check Ink U1. U1. 50 error is no longer occurring and can continue printing as normal. If however the message remains then sadly it is likely that the Canon ink cartridge identified is genuinely defective or damaged and will need to be replaced. To ensure that the cartridge itself if definitely at fault I would recommend trying another ink cartridge if you have a spare or install an old cartridge that you know has worked previously. If the error remains it may be that the corresponding contacts inside of your Canon printer are dirty and could benefit from being cleaned in the same way as described above. To access these contacts, simply remove the cartridge from the printer and you should be able to clearly see where the contacts on the cartridge made contact inside the printer. On many models these contacts are pointed so be careful not to leave ripped pieces of tissue inside the printer when you are done. What Canon printerscartridges will this help withThe Check Ink U1. U1. 50 error message can appear on a hugh variety of Canon inkjet printers including some printers are compatible with the Canon PG 3. CL 3. 8, PG 4. 0, CL 4. PG 5. 0 and CL5. These printers include the Canon Fax JX2. Multi. Pass 4. 50, Multi. Pass MP1. 50, Multi. Pass MP1. 60, Multi. Pass MP1. 70, Pixma i. P1. 20. 0, Pixma i. P1. 30. 0, Pixma i. P1. 60. 0, Pixma i. P1. 70. 0, Pixma i. P1. 80. 0, Pixma i. P1. 90. 0, Pixma i. P2. 20. 0, Pixma i. P2. 40. 0, Pixma i. P2. 50. 0, Pixma i. P2. 60. 0, Pixma MP1. Pixma MP1. 50, Pixma MP1. Pixma MP1. 70, Pixma MP1. Pixma MP1. 90, Pixma MP2. Pixma MP2. 20, Pixma MP4. Pixma MP4. 60, Pixma MP4. Pixma MX3. 00 and Pixma MX3. Which of these six possible cartridges your printer takes will depend entirely upon the model of your printer. Along with the printer models mentioned above the cleaning of the contacts can help the PG 5. CL 5. 11, PG 5. CL 5. The following printers are all compatible with these black and colour cartridges, the Canon Pixma i. P2. 70. 0, Pixma i. P2. 70. 2, Pixma MP2. Pixma MP2. 40, Pixma MP2. Pixma MP2. 52, Pixma MP2. Pixma MP2. 70, Pixma MP2. Pixma MP2. 80, Pixma MP2. Pixma MP3. 30, Pixma MP4. Pixma MP4. 90, Pixma MP4. Pixma MP4. 95, Pixma MP4. Pixma MX3. 20, Pixma MX3. Pixma MX3. 40, Pixma MX3. Pixma MX4. 10 and Pixma MX4. You can even use the above advice to clear the Check Ink U1. U1. 50 error with the Canon Pixma MG2. Igi 5 Game. Pixma MG2. Pixma MG3. Pixma MG3. Pixma MG3. Pixma MG3. Pixma MG4. Pixma MG4. Pixma MX3. Pixma MX3. Pixma MX4. Pixma MX4. Pixma MX5. Pixma MX5. These printers take the relatively new Canon PG 5. Cl 5. 41, PG 5. XL and CL 5. XL ink cartridges. I hope this has resolved the issue you were experiencing. If however you have any further questions please let us know in the comments. HP ENVY Photo 6. 25. All in One Photo Printer with Wireless Printing, Instant Ink ready Electronics. Style Printer. Designed for those that love to share photos, the HP ENVY Photo line allows you to print stunning, true to life photos for less than 5 cents each with HP Instant Ink subscription required. With a dedicated photo tray and borderless printing, the ENVY Photo 6. Pair it with the HP Smart app and you have the power to easily set up your printer, scan documents on the go with your camera, and print from social media or the cloud, such as i. Cloud, Google Drive, and Dropbox.