The Kind Of Diag. And Contents Of A Test; Fax Scanner Diag; Executing Fax Scanner Diag; Information - Dell 2135cn Service Manual

4. The Kind of Diag. and Contents of a Test

4.1 FAX Scanner Diag.

4.1.1 Executing FAX Scanner Diag

1) Turn off the power.
2) Turn on the power while holding down "
3) Release the fingers from the keys when " Please wait..." is displayed.
4) The "Printer" and "FAX /Scanner" are displayed. (Entered the Customer Diag. mode.)
5) Press " " to select "FAX /Scanner", and press "
mode.)
6) Press " " or "
7) Press " " key twice to execute the test.
To return to one step higher menu, press "CANCEL" key.

4.1.2 Information

- Scan Counter
The value of scan count is displayed. FB: Scanning of platen mode/ADF: Scanning of ADF mode.

4.1.3 Scanner Maintenance

- White Balance
Enables automatic calibration of the correction value for platen scanning (FB) and ADF scanning
(ADF).
- Shading Parameter
Adjusts the white balance value read from the white reference plate.
Coeff: White reference plate value after shading correction.
Target: Target value of Coeff.
Do not change this setting; the image quality may be affected.
- Registration Param.
Adjusts the side and lead registrations during document scanning.
Do not change this setting; the image quality may be affected.
- Auto Registration
Sets whether or not to auto-adjust the registration.
- Vertical Scan Mag.
Adjusts the scaling in the sub-scanning direction.
Do not change this setting; the image quality may be affected.
Version 1 2008.02.01
" key to select the test item.
2 - 9
" and " " keys.
" key. (Entered the FAX /Scanner Diag.
Chapter 2 Operation of Diag.