HP Designjet 9000s Printer series - Manual (Page 158)

Parameters:
● BIDIR — Bidirectional printing gives higher printing speeds with slightly lower image quality and is
more suitable for line and text images.
● UNIDIR — Unidirectional printing gives lower printing speeds but higher image quality.
Flatten time (FLATTEN TIME)
The printing conditions may affect the media when the printer has not printed for some time, and print
quality may be affected by wrinkles or smudges on the edge of the media due to humidity and dust. For
example, if you print using a higher heater temperature, this may cause wrinkling, so you can set a
lower time to maintain the media in optimal condition. The FLATTEN MEDIA option automatically feeds
and rewinds the media before printing starts.
If no data is received and the set time limit is reached, then the edge of the media roll is fed through the
media path to the rear cover automatically. If the leading edge of the media roll is already present at the
rear cover, the procedure is not performed.
The printer performs the procedure automatically when it is turned off; the edge of the media roll is fed
through the media path to the rear cover. When using the take-up reel, the printer turns off without
feeding the media through the media path.
Parameters:
● NONE — Select this parameter when you use your printer continuously and the type of media
does not wrinkle.
● 30 min — Media is passed through the media path if there is no printing for more than 30 minutes.
If the printer starts printing before the 30 minute interval, the media is passed through the media
path at the start of printing. Select this parameter when the printer prints in a high humidity
environment frequently and the media is extremely wrinkled.
● 1 hour — Media is passed through the media path if there is no printing for more than 1 hour.
Select this parameter when the print interval is more than 1 hour and the media is extremely
wrinkled.
● 2 hours — Media is passed through the media path if there is no printing for more than 2 hours.
Select this parameter when the print interval is more than 2 hours and the media is extremely
wrinkled.
● 4 hours — Media is passed through the media path if there is no printing for more than 4 hours.
Select this parameter when the print interval is more than 4 hours and the media is extremely
wrinkled.
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