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HP LASER PRINTER ERROR CODE 16 – TONER LOW
ALL HP LASER PRINTERS
1. Toner is uneven in cartridge. Shake toner cartridge
2. Malfunctioning toner cartridge contact points. Or bad toner
cartridges
3. Defective high voltage power supply
HP LASER PRINTER 2, 3
1. Defective high voltage power supply
2. Defective D.C. controller.
HP LASER PRINTER 3SI, 4SI
1. Defective door open sensor flag.
2. Damaged toner level sensor connector.
3. Damaged toner cartridge.
4. Defective DC control PCA.
5. Defective high voltage power supply.
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