Pantum M6550 series - 15 What Are the Cartridge Models for M6500; M6550; M6600 Series Printer; 16 Why the Second LED Shows Orange When I Insert a New Cartridge

15. What are the cartridge models for M6500/ M6550/ M6600 series
printer?
1600 standard Page Yield: PA/PB/PC-210/211 (“A, B, C “models depend on countries)
16. Why the second LED shows orange when I insert a new cartridge?
Step1: Check the cartridge whether you pull out the seal on it;
Step2: Take out of the cartridge from the printer, use a clean dry cloth to wipe cartridge
chip softly;
Step3: Insert the toner cartridge in the printer until hearing a “click” sound.