Model Number GPC Image 135X for M209dw. You can try to take the toner out and shake it for around 10 seconds, and then reinstall it to see if it resolves your issue. Compatible devices HP Laserjet Pro M209dw, HP Laserjet Pro MFP M234dw, HP Laserjet Pro MFP M234sdw, HP Laserjet Pro MFP M234sdn HP Laserjet Pro M209dw, HP Laserjet Pro MFP M234dw, HP Laserjet Pro MFP M234sdw, HP Laserjet Pro MFP M234sdn.
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