Sony UP895 Service Manual - Page 25
Head Voltage Adjustment, 3-5. Initialization of Print Count History, NORM, STD, and POSI
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3-4. Head Voltage Adjustment Machine condition for adjustment . Input signal: nothing . Set all DIP switches on the rear panel to DOWN. . Set each switch on the front panel to NORM, STD, and POSI, respectively. . Set the POWER switch to ON while pressing the PRINT and COPY buttons. . Press the PRINT button to print a stair step pattern. Specification Adjustments 1RV502/ Switching regulator Switching Regulator (on the right side panel) 1 RV502 Stair step Adjust RV502 so that a smooth gradation is obtained in 17 steps. Front Main body 3-5. Initialization of Print Count History Machine condition for adjustment . Set the POWER switch to ON while pressing the PRINT, COPY, and FEED buttons. Specification Release the buttons when the buzzer sounds three times. The initialization of print count history is then completed (becomes zero in sheet count). Adjustments Nothing UP-895/(E) 3-3