PLEASE NOTE 1: Make sure you have original HP 142A 142X toner and chips. With this product, the chip must be removed manually before installation. Don't worry, we provide professional tools and instructions as well as a detailed installation video
Please note 2:Change the setting to "Very Low": Due to the new OEM chip used in the cartridge, the computer will show "cartridge low" when printing. Click "Snooze" and select the option "2 months" to turn off the warning. The cartridge stays in operation as long as the image density is low
Please note 3:Due to HP+ restrictions, some 142X W1420X toner models may appear a red flashing light during operation
Compatible printer models: with Laserjet Pro M110w / M110we, with LaserJet Pro MFP MFP M140w / M140we / M 139w / M139we
Page yield: 2000 pages per 142X toner at 5% coverage on A4 paper, 142X W1420X toner is CE and RoHS compliant and offers higher page yield
Please refer to the corresponding chip disassembly scheme before use. If you encounter any problems during use, please contact us immediately so that we can solve the problem as soon as possible