Chapter 55-9F-5-11Before D-RAM test, output all image data in image memory. When D-RAM test is performed, all image data are cleared.5.5.4.3 Print Test5.5.4.3.1 PRINT Test0008-1980The Print Test menu is selected by pressing the numeric key 3 from the test mode menu.In this test, various print patterns are output from the printer. As service print patterns, press the numeric key 2 from the Print Test menu to select "3-2: BLACK"or press the numeric key 6 to select "3-6: ENDURANCE". Do not use the other patterns. They are for development and factory use.Check for white stripes and unevenness on the Black pattern, and check for image shrinkig, stretching, soiling, and black strips on the Endurance pattern.F-5-12MemoAfter completion of the print test, if the printing was normal, copy a document. If there is any defect in the copied image, there is a defect in the scansection.5.5.4.4 Modem Test5.5.4.4.1 Modem Tests0008-1981The Modem Test menu is selected by pressing the numeric key 4 from the test mode menu.These tests test modem and NCU transmission and reception. The modem tests check whether signals are sent correctly from the modem by comparing the soundof the signals from the speaker with the sounds from a normal modem.End this test by pressing the Stop/Reset key.ErrorRestart by pressingStart buttonDRAM TEST 40960KB.......DRAM TEST 40960KBcomplete (no error)WRT=33CC RD=33ECADR=BF840201DRAM TEST 40960KBcomplete (error)40960KB: D-RAM total memory capacity (bytes)✽ : Indicates an address for which write testing is complete.. : Indicates an address for which read testing is complete.OperatingNormal end(Normal end)Error displayWRT : data writtenRD : data readADR : address