Hi, Despite replacing the cyan toner catridge on my QMS 330, it still registers the message 'cyan toner missing' thereby not enabling me to print. any trick to overide this?
Firstly - remove and reseat the cartridge. If problem remains: Replace the cartridge with a new one. It is possible the new cart is faulty. If problem remains: Cart Sensor unit should be replaced as follows (If you need a copy of the service manual, contact http://www.TheServiceManualShop.com) Removal 1. Remove the Fuser Assembly (RRP 9.80). 2. Reach inside the empty Fuser cavity and slide the Cartridge Sensor Holder forward to unlatch the Holder from the printer frame (Figure 1). 3. Move the Holder around until the side latches on the Holder line up with the cutouts in the frame and the Holder is free of the frame. 4. Disconnect P/J 87 from the Cartridge Sensor. 5. Remove the screw securing the Cartridge Sensor to the Cartridge Sensor Holder and remove the Sensor (Figure 2). Replacement 1. Position the Cartridge Sensor onto the Sensor Holder so the LEDs face out. 2. Line up the position tab and screw hole on the Sensor with the two holes in the Holder. 3. Use one screw to secure the Cartridge Sensor to the Sensor Holder. 4. Reconnect P/J 87 to the Cartridge Sensor. 5. Position the Holder against the Holder cutout in the printer frame. 6. Move the Sensor wire harness so it exit through the cutout at the rear of the Holder. 7. Move the Holder around until the side latches on the Holder line up with the cutouts in the frame. 8. Push the Holder forward until the front latch secures the Holder to the frame. 9. Reinstall the Fuser Assembly (RRP 9.80). If the problem remains, then the MCU PWB will need replacing. This could put the machine Beyond Economical Repair.
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