HP LaserJet 5p/mp Service Manual - Page 39

HP LaserJet 5P Printer Service Supplement Service Mode, PJL Defaults Test Pages and Resets Test pages, resets, and NVRAM initialization can all be performed by using the GO and RESET buttons on the HP LaserJet 5P/5MP printer status panel. Table 2 shows how to perform these tests and diagnostic functions. Table 2. Button Functions FUNCTION ACTION RESULT Self Test Continuous Self Test Reset (all I/O) Continue Form Feed Cold Reset NVRAM Initialization Service Error Codes Press GO and RESET buttons Prints a Self Test page. simultaneously. Hold GO button more than 20 seconds after powering on printer Prints continuous self test pages. Press the button to stop printing. Press RESET button. Clears all data from memory, including unprinted data, downloaded fonts and macros. (Waiting for paper, or Allows the printer to recover and continuable error.) Press the GO continue printing the job. button. Press the GO button. Print remaining data in printer memory. Hold RESET button less than 20 Clears all data from memory, seconds after turning power on. including unprinted data, downloaded fonts and macros. Resets printer to factory default settings. Hold RESET button more than Clears all I/O and print 20 seconds after turning power configuration information from on. NVRAM. Press GO and RESET buttons See "Troubleshooting" to to display additional code. determine the problem and solution. 32