HP LaserJet 4250 Service Manual - Page 356

Table 7-6 Alphabetical printer messages (continued) Control panel message Description Recommended action RAM DISK FILE OPERATION FAILED alternates with Ready The printer received a PJL file system 1 command that attempted to perform an illogical operation (for example, a command 2 to download a file to a nonexistent directory). Printing can continue. Turn the printer off and then on to delete the message from the display. 3 If this error persists, a problem might exist with the software program. For menus press RAM DISK FILE SYSTEM IS FULL The RAM disk is full. 1 Delete files and then try again, or turn the printer off and then on to delete all the files on the RAM disk. alternates with Ready 2 If the message persists, increase the size of the RAM disk by adding additional memory DIMMs. For menus press RAM DISK IS WRITE PROTECTED alternates with The file system device is protected and no new files can be written to it. To enable writing to the RAM disk, turn off the write protection by using the device storage manager in the HP Web Jetadmin software. Ready For menus press RECEIVING UPGRADE REINSERT DUPLEXER A firmware upgrade is in progress. The duplexer is not functioning. CAUTION Do not turn the printer off until the printer returns to the ready state. The printer will be damaged if the power is turned off during a firmware upgrade. 1 Turn off the printer. 2 Remove and then reinstall the accessory. 3 Turn on the printer. 4 Check the rear accessory power connector. 5 If the error persists, replace the duplexer. REPLACE CARTRIDGE alternates with For help press The print cartridge is almost empty. Printing 1 Replace the print cartridge to continue can continue until the toner supply is printing. depleted. 2 Press ( HELP button) for detailed information. 342 7 Troubleshooting