Service Manual
Page 255
...CART Message The printer detects the presence of the Toner Cartridge and the level of toner present in the cartridge cavity falls past the minimum level. The ANTIN signal becomes part of the ANTIN signal. Try a new or known good Toner Cartridge. 2 Check the High Voltage Contacts for ...the serial data stream used to the developer mixture. If the contacts are dirty or damaged, clean the contacts after the repair. 3 Replace the High Voltage Power Supply. 4 Check and reseat the HVPS cable. 5 Replace the DC Controller. 16 Toner Low Message The TONER LOW message results as follows: 1...
...CART Message The printer detects the presence of the Toner Cartridge and the level of toner present in the cartridge cavity falls past the minimum level. The ANTIN signal becomes part of the ANTIN signal. Try a new or known good Toner Cartridge. 2 Check the High Voltage Contacts for ...the serial data stream used to the developer mixture. If the contacts are dirty or damaged, clean the contacts after the repair. 3 Replace the High Voltage Power Supply. 4 Check and reseat the HVPS cable. 5 Replace the DC Controller. 16 Toner Low Message The TONER LOW message results as follows: 1...