This manual is all I need to check and repair my equipment. Thank you....
Text excerpt from page 38 (click to view)
7. Perform the density adjustment so that the obtained density is equal to the reference density. To increase (decrease) the print density Increasing the density: Turn 1VR1 (22 V ADJ.) of the power block clockwise. Decreasing the density: Turn 1VR1 (22 V ADJ.) of the power block counterclockwise. Adjust 1VR1 until the obtained density becomes equal to the reference density and print the test pattern (LINEAR STEP). 8. When message �Test1 to Test6/7 Exit� is displayed with the Arrow key ( � ) pressed, select �Exit� and press the ENTER key. n In steps 6 and later, the test pattern is printed only using one sheet of paper.