HP LaserJet Enterprise MFP M637 User Guide - Page 242

Visually inspect the toner cartridge or cartridges, Maintenance, Calibration/Cleaning, Cleaning

Page 242 highlights

a. Maintenance b. Calibration/Cleaning c. Cleaning Page 3. Select Print to print the page. A Cleaning... message displays on the printer control panel. The cleaning process takes a few minutes to complete. Do not turn the printer off until the cleaning process has finished. When it is finished, discard the printed page. Visually inspect the toner cartridge or cartridges Follow these steps to inspect each toner cartridge: 1. Remove the toner cartridge from the printer, and verify that the sealing tape has been removed. 2. Check the memory chip for damage. 3. Examine the surface of the green imaging drum. CAUTION: Do not touch the imaging drum. Fingerprints on the imaging drum can cause print-quality problems. 4. If you see any scratches, fingerprints, or other damage on the imaging drum, replace the toner cartridge. 5. Reinstall the toner cartridge and print a few pages to see if the problem has resolved. 234 Chapter 10 Solve problems ENWW

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a.
Maintenance
b.
Calibration/Cleaning
c.
Cleaning Page
3.
Select
Print
to print the page.
A
Cleaning...
message displays on the printer control panel. The cleaning process takes a few minutes to
complete. Do not turn the printer off until the cleaning process has finished. When it is finished, discard the
printed page.
Visually inspect the toner cartridge or cartridges
Follow these steps to inspect each toner cartridge:
1.
Remove the toner cartridge from the printer, and verify that the sealing tape has been removed.
2.
Check the memory chip for damage.
3.
Examine the surface of the green imaging drum.
CAUTION:
Do not touch the imaging drum. Fingerprints on the imaging drum can cause print-quality
problems.
4.
If you see any scratches, fingerprints, or other damage on the imaging drum, replace the toner cartridge.
5.
Reinstall the toner cartridge and print a few pages to see if the problem has resolved.
234
Chapter 10
Solve problems
ENWW