HP Color LaserJet Enterprise CM4540 MFP series - Manual (Page 328)

Print a cleaning page
Print a cleaning page to remove dust and excess toner from the paper path if you are having any of the
following problems:
● Specks of toner are on the printed pages.
● Toner is smearing on the printed pages.
● Repeated marks occur on the printed pages.
Use the following procedure to print a cleaning page.
1. From the Home screen, touch the Device Maintenance button.
2. Open the following menus:
● Calibration/Cleaning
● Cleaning Page
3. Touch the Print button to print the page.
4. The cleaning process can take several minutes. When it is finished, discard the printed page.
Calibrate the product
Calibration is a product function that optimizes print quality. If you experience any image-quality
problems, calibrate the product.
1. From the Home screen, touch the Device Maintenance button.
2. Open the following menus:
● Calibration/Cleaning
● Full Calibration
3. Wait while the product calibrates, and then try printing again.
Set the image registration
If you are having problems with text aligning on the page, use the Set Registration menu to set the
image registration.
1. From the Home screen, touch the Administration button.
2. Open the following menus:
a. General Settings
b. Print Quality
c. Image Registration
d. Adjust Tray <X>
308 Chapter 14 Solve problems ENWW