HP LaserJet 4250 Service Manual - Page 354

Table 7-6 Alphabetical printer messages (continued) Control panel message Description MANUALLY FEED To continue press Recommended action configuration page (see Configuration page) to see if the printer tray setting differs from the paper size and type in the tray. 4 Check the tray size sensor switches if the configuration page indicates a different size than that in the tray. Verify that the sensor "fingers" inside the tray are engaging the tray sensor correctly. See Tray 2, 500-sheet feeder, and 1,500-sheet feeder mediasize detection. NON HP CARTRIDGE DETECTED NON HP CARTRIDGE DETECTED alternates with Ready For menus press The printer has detected that a non- 1 If the print cartridge appears to be an HP print cartridge is currently installed. authentic HP cartridge, try installing another HP print cartridge that has the (If a new HP cartridge has been installed, same shipment lot number. If this this message appears for about 20 seconds clears the error message, return the and then is replaced by the Ready print cartridge that you removed to the message.) supplier as defective. 2 If the error message persists, the print cartridge might be a fraudulent cartridge. 3 If the error message persists, the memory chip on the print cartridge (location J600) might be defective or the connector might be defective. 4 The dc controller PCA might be defective. Replace the dc controller PCA. See Dc controller PCA. NOTE Printer repairs that are required as a result of using nonHP print cartridges are not covered under the HP warranty. The printer has detected that a nonHP print cartridge is currently installed. 1 If the print cartridge appears to be an authentic HP cartridge, try installing another HP print cartridge that has the same shipment lot number. If this clears the error message, return the print cartridge that you removed to the supplier and report that it is defective. 2 If the error message persists, the print cartridge might be a fraudulent cartridge. 3 If the error message persists, the memory chip on the print cartridge or the connector (location J600) might be defective. 4 The dc controller PCA might be defective. Replace the dc controller PCA. See Dc controller PCA. 340 7 Troubleshooting