EPSON WF-4830, WF-4820 Series Service Manual Page 141-160

EPSON WF-4830 Series/WF-4820 Series Revision A Adjustment Adjustment Program 152 Confidential Initial settings Initialize PF deterioration offset Reset the deterioration correction counter. --- Select "Initialize PF deterioration offset" or "Initialize PW sensor deterioration counter" from the Adjustment Program and execute the counter reset. • Adjustment Program --- Initialize PW sensor deterioration counter --- • Adjustment Program --- Adjustment (Mechanical) PF motor heat protection control Measure product variations to set the appropriate correction values. Also, make a pass/fail judgment by calculating whether or not the operation load is within the expected range from the motor current value. --- Automatically measure the correction value and perform the operation load check by selecting "XX heat protection control" from the Adjustment Program menu and executing the item. • Adjustment Program --- CR motor heat protection control --- --- IS motor heat protection control --- --- ASF motor heat protection control --- --- Scanner/ADF motor heat protection control --- --- PE Detector confirmation To detect PE Detector part failure or assembly failure. • Paper type: Plain Paper • Size: A4 • Paper source: Paper Cassette 1st Select "PE Detector confirmation" from the Adjustment Program menu and execute, and run plain paper through. After the operation has completed, obtain the data, and measure chattering frequency and time. • Adjustment Program --- Adjustment (Program) APG offset adjustment Corrects CR stop position errors, and errors at APG switching operations resulting from different parts sizes or problems with assembly, and stops correctly on the flat parts of cams during APG switching. --- Obtain the APG Cam and Carriage connection location and adjust the target position for APG switching, and at that time record the adjustment value in the EEPROM. • Adjustment Program --- Adjustment (Print adjustment by program) PTS delay adjustment Correct the impact offset caused by a difference in the speed of the low- speed part and acceleration/ deceleration part of the CR. • Paper type: Plain Paper • Size: A4 • Paper source: Paper Cassette 1st Select "PTS delay adjustment" from the Adjustment Program and execute the item to print the adjustment pattern. Determine the adjustment value from the adjustment pattern based on the judgment criteria and then enter the adjustment value from the PTS delay adjustment menu. • Adjustment Program P.156 Adjustment Item Purpose Adjustment / inspection paper / feed tray Adjustment procedure overview Tools Reference Category Name
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Epson WF-4830 Series Service Manual Page 141-160
Epson WF-4820 Series Service Manual Page 141-160

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