HP LaserJet Enterprise 700 M712 series Handbuch Zur Fehlerbehebung Seite 312

Table 2-52 Image defect examples (continued)
Problem
Curl or wave
Wrinkles or creases
Vertical white lines
Horizontal white lines
Black page
286 Chapter 2 Solve problems
Image example Solution
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Turn over the paper in the tray. Also, try rotating the paper 180°.
Make sure that the type and quality of the paper you are using meet
HP specifications. For more information, see the product user guide.
Make sure that the environmental specifications for the product are being met.
Try printing to a different output bin.
Print a few more pages to see if the problem corrects itself.
Make sure that the environmental specifications for the product are being met.
Turn over the paper in the tray. Also, try rotating the paper 180°.
Make sure that paper is loaded correctly and all adjustments have been
made. For more information, see the product user guide.
Make sure that the type and quality of the paper you are using meet
HP specifications. See the product user guide.
If envelopes are creasing, try storing envelopes so that they lie flat.
Print a few more pages to see if the problem corrects itself.
Make sure that the type and quality of the paper you are using meet
HP specifications. For more information, see the product user guide.
The photosensitive drum might be scratched, or the developing roller might be
damaged. Replace the toner cartridge.
The laser beam window might be dirty. Clean the laser beam window on the
laser scanner.
The fuser inlet guide might be dirty. Clean the guide.
The fuser film might be scratched or dirty. Replace the fuser.
The laser scanner might be damaged. Replace the laser scanner.
The photosensitive drum might be scratched, or the developing roller might be
damaged. Replace the toner cartridge.
The fuser film might be damaged. Replace the fuser.
The toner-cartridge ground or bias contacts might be dirty. Clean the contacts.
The primary charging roller might be defective. Replace the toner cartridge.
The high-voltage power supply might be damaged. Replace the high-voltage
power supply.
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