HP LaserJet 1010 Service Manual - Page 60

Operational overview, Period, Purpose, Remarks

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Period Purpose Remarks INTR (Initial Rotation Period) After the pickup command has been sent from the formatter until the media reaches the topof-page sensor (PS801). To stabilize the photosensitive drum sensitivity in preparation for printing. Also to clean the primary charging roller. PRINT (Print) From the end of the initial rotation until the primary voltage goes OFF. To form images on the photosensitive drum based on the VIDEO signals (/VDO, VDO) sent from the formatter and to transfer the toner image onto the media. LSTR (Last Rotation Period) After the primary voltage goes OFF until the main motor stops rotating. To deliver the last page. Also to clean the primary charging roller. When the pickup command is sent from the video controller, the printer enters the INTR period immediately after the end of the LSTR period. 48 Chapter 4 Operational overview ENWW

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Period
Purpose
Remarks
INTR (Initial Rotation Period)
After the pickup command has
been sent from the formatter
until the media reaches the top-
of-page sensor (PS801).
To stabilize the photosensitive
drum sensitivity in preparation
for printing. Also to clean the
primary charging roller.
PRINT (Print) From the end of
the initial rotation until the
primary voltage goes OFF.
To form images on the
photosensitive drum based on
the VIDEO signals (/VDO, VDO)
sent from the formatter and to
transfer the toner image onto
the media.
LSTR (Last Rotation Period)
After the primary voltage goes
OFF until the main motor stops
rotating.
To deliver the last page. Also to
clean the primary charging
roller.
When the pickup command is
sent from the video controller,
the printer enters the INTR
period immediately after the end
of the LSTR period.
48
Chapter 4
Operational overview
ENWW