HP LaserJet 4 Service Manual - Page 93
Testing a SIMM Board
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Testing a SIMM Board Use the procedures below to print a self-test page to verify SIMM board installation. Procedures are given for both memory and PostScript SIMMs. Memory SIMM Note For the LaserJet 5/5M/5N, the On Line key has been replaced by the Go key. The Enter key has been replaced by the Select key. Running a Self Test Printout 1 Plug in the power cord and turn ON the printer. 2 After a few seconds, 00 READY should appear in the control panel display. If an error message appears, refer to "Troubleshooting a SIMM Board" later in this chapter. 3 Press [On Line] to take the printer off line. 4 Press [Menu] until TEST MENU appears in the control panel display. 5 Press [Item] until SELF TEST appears in the control panel display. 6 Press [Enter] to print a self test. 7 Press [On Line] after the self test printed. Locate "RAM SIZE" on the self-test printout. This is the amount of printer memory now installed in the printer. Configuration 3-57