Solve image-quality problems
Image defect examples
These examples identify the most common print-quality problems.
Table 2-34
Image defect examples
Problem
Image example
Solution
Blank page
1.
The laser/scanner shutter on the toner cartridge might be damaged. Replace
the toner cartridge.
2.
The laser/scanner shutter on the laser/scanner might be damaged. Replace
the laser/scanner.
3.
The laser/scanner might be damaged. Replace the laser/scanner.
4.
Poor developing bias with the cartridge contacts. Clean the contact on the
toner cartridge.
5.
The high-voltage power supply might be damaged. Replace the high-voltage
power supply.
Light print (partial page)
1.
Make sure that the toner cartridge is fully installed.
2.
The toner cartridge might be almost empty. Check the supplies status, and
replace the toner cartridge if necessary.
3.
The paper might not meet HP specifications (for example, the paper is too
moist or too rough).
Light print (entire page)
1.
Make sure that the toner cartridge is fully installed.
2.
Make sure that the
Economode
setting is turned off at the control panel and in
the print driver. For more information, see the product user guide.
3.
Open the
Administration
menu at the product control panel. Open the
General Settings
menu, and then open the
Print Quality
menu. Increase the
Toner density
setting.
4.
Try using a different type of paper.
5.
The toner cartridge might be reaching its estimated end of life. Check the
supplies status, and replace the toner cartridge if necessary. Try the following:
432
Chapter 2 Solve problems
ENWW
Summary of Contents for LASERJET ENTERPRISE MFP M725dn
Page 1: ...LASERJET ENTERPRISE MFP M725 Troubleshooting Manual M725z M725dn M725f M725z ...
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Page 3: ...HP LaserJet Enterprise MFP M725 Troubleshooting Manual ...
Page 6: ...iv Conventions used in this guide ENWW ...
Page 32: ...xxx ENWW ...
Page 142: ...110 Chapter 1 Theory of operation ENWW ...
Page 457: ...4 Close the fuser jam access cover 5 Close the fuser door ENWW Clear jams 425 ...
Page 475: ...1 Lift the document feeder latch 2 Open the document feeder cover ENWW Clean the product 443 ...
Page 516: ...484 Appendix A Service and support ENWW ...
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