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e-STUDIO281c/351c/451c
Explanation
The image contrast may vary, depending on the date and time when copying or printing is performed or the type
of copy/print job. To constantly maintain image quality, shorten the waiting period until image quality control is
performed.
Procedures
* The service technician must perform the adjustment in accordance with the procedures below.
(1) Enter setting mode [08]. Change the value for code [570], [571] or [572] to specify the best interval during
which image quality control is performed, according to use of the copier. In addition, change the value for
code [565] or [566] to switch image quality control mode to mode 2. It gives a higher priority to accuracy in
image quality control.
The copier is installed in a place where the temperature and humidity vary widely:
Use steps (a) to (b) and perform the adjustment of image quality control.
(a) Change the value for 08-405 within the range from "1" to "3" (value × %R.H.) to increase the
frequency of image quality control, in response to a change in humidity.
* Image quality control will be performed, when the relative humidity changes in accordance with the
specified difference from the previous image quality control. If the difference in the relative
humidity exceeds the specified value, image quality control is performed, first. Then a copy or print
job will be performed.
Value for 08-570 Difference in relative humidity
1 to 3 5%R.H. to 15%R.H.
4 20%R.H. (default)
(b) Change the value for code 08-565 to "2" to place image quality control in mode 2. It is intended to
increase the interval during which image quality control is performed.
Value for 08-565 Image quality control when the relative humidity varies
0 Invalid
1 Valid: Mode 1 (default)
2 Valid: Mode 2
• After switching to mode 2, forcibly perform image quality control, as follows:
Enter adjustment mode [05]. Select code [395]. Press the [START] button.
1. General Adjustments – Copying, Printing and e-Filing (Output from Box)
1.4