HP Color 9850mfp HP Color 9850mfp - System Administrator Guide - Page 364
(25) Printer gamma sensor adjustment, NEXT ADJUSTMENT, PREVIOUS ADJUSTMENT, Adj.data reset
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(25) Printer gamma sensor adjustment Use this function to make various adjustments concerning the gamma sensor. 1 2 Note 1 Key operator mode screen 2 Printer gamma sensor adjustment screen Procedure 1 Touch (25) Printer Gamma Sensor adjustment on the Key operator mode screen to display the Printer gamma sensor adjustment screen. 2 Select the desired adjustment item on the screen. Six items are provided: LS200, LS150, DS200, DS150, CONTONE, and ED. Touch NEXT ADJUSTMENT or PREVIOUS ADJUSTMENT to move to the next or previous adjustment item. Some adjustment items cannot be displayed if the screen is specified as off state in the memory switch setting. Touching Adj.data reset displays the Reset confirmation screen. Touch YES to reset the adjustment value to the initial state, or touch NO to cancel. 3 Touch COPY SCREEN to move to the Main screen to print a chart. Load several sheets of Letter paper on the multi-sheet bypass tray, and then press Start to output the test chart. When output is completed, the Printer gamma sensor adjustment screen is restored and the message "Please load output paper in scanner and push the Start button" is displayed. 4 Place the test chart face down on the scanner glass with green arrow " " pointing at the left side as shown below, and put about 10 sheets of blank copy paper on top of the chart. 1 2 1 Green arrow 2 Place the chart face down 352 Key operator mode ENWW