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business support center  >  technical support - HP Color LaserJet 4730mfp  >  print quality troubleshooting tool

Print Quality Troubleshooting Tool for HP Color LaserJet 4730mfp

Calibrating scanner
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Note: It may be helpful to print out this instruction.

Figure

Step

Figure 1: Load Tray 1 with plain paperexample

1. Load Tray 1 Pictures of the paper tray 1. Clicking this icon will open a new window. with either 8.5 x 11 inch (letter) paper or A4 size paper and adjust the side guides Pictures of the side guides. Clicking this icon will open a new window..

Figure 2: Press Menu buttonexample

2. Press button on the control panel of the printer to enter the MENUS.

Figure 3: Touch DIAGNOSTICSexample

3. Scroll to find DIAGNOSTICS by touching the scrolling arrows Pictures of the scrolling arrows. Clicking this icon will open a new window. on the touchscreen.

4. Touch DIAGNOSTICS on the touchscreen.

Figure 4: Touch CALIBRATE SCANNERexample

5. Scroll to find CALIBRATE SCANNER by touching the scrolling arrows Pictures of the scrolling arrows. Clicking this icon will open a new window. on the touchscreen.

6. Touch CALIBRATE SCANNER on the touchscreen.

7. Touch OK on the touchscreen to print the first part of the calibration page Pictures of first half of scanner calibration page. Clicking this icon will open a new window..

Figure 5: Load Tray 1 with first part of calibration pageexample

8. Load Tray 1 Pictures of the paper tray 1. Clicking this icon will open a new window. with the page that just printed face-down so that the arrow is facing into the printer.

Figure 6: Scanner calibration pageexample

9. Touch OK on the touchscreen to print the rest of the calibration page Pictures of the other half of scanner calibration page. Clicking this icon will open a new window.. The scanner calibration page must look like Figure 6.

CAUTION: If the scanner calibration page does not look like the figure shown on the left, the calibration process will fail and the quality of scans will be degraded. The black areas must extend completely to the short edges of the page. If they do not, use a black marker to extend the black areas to the edges of the page Pictures of the scanner calibration page using black marker. Clicking this icon will open a new window.. You will be using this page to perform the scanner calibration.


10. Check the scanner. Remove any paper on top of the scanner glass Pictures of the scanner glass. Clicking this icon will open a new window. or stuck to the bottom of the scanner lid Pictures of the scanner adf backing. Clicking this icon will open a new window..

11. Touch OK on the touchscreen to continue with the scanner calibration.

Figure 7: Load ADF with calibration page face-upexample

12. Load the ADF with the just printed scanner calibration page face-up and touch OK on the touchscreen.

Figure 8: Load ADF with calibration page face-downexample

13. Load the ADF with the scanner calibration page face-down and touch OK on the touchscreen.

Figure 9: Place calibration page face-down on glassexample

14. Place the scanner calibration page face-down on the scanner glass.

15. Close the scanner lid.

16. Touch OK on the touchscreen to finish the scanner calibration.


The control panel displays the message Scanner calibration successful to indicate success or the message Scanner calibration failed to indicate that the calibration failed. If the calibration failed, try calibrating the scanner again.

If the calibration continues to fail, contact HP.


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