HP LaserJet Enterprise 700 M712 series Handbuch Zur Fehlerbehebung Seite 314

Table 2-52 Image defect examples (continued)
Problem
Blurred print
Random image repetition
288 Chapter 2 Solve problems
Image example Solution
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If an image that appears at the top of the page (in solid black) repeats further
down the page (in a gray field), the toner might not have been completely erased
from the last job. (The repeated image might be lighter or darker than the field it
appears in.)
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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.
Turn over the paper in the tray. Also, try rotating the paper 180°.
Do not use paper that already has been run through the product.
Decrease the toner density. Open the Administration menu at the product
control panel. Open the General Settings menu and then open the Print
Quality menu. Decrease the Toner density setting.
Change the tone (darkness) of the field that the repeated image appears in.
Change the order in which the images are printed. For example, have the
lighter image at the top of the page, and the darker image farther down the
page.
From your software program, rotate the whole page 180° to print the lighter
image first.
If the defect occurs later in a print job, turn the product off for 10 minutes, and
then turn it on to restart the print job.
ENWW