Download 8 - HP

HP Color LaserJet printer updates
HP Color LaserJet 2600n printer
DC Controller firmware versions
and fix lists
The following issues have been resolved with
the latest firmware updates for the
HP Color LaserJet 2600n printer engine (DC
Controller). Find the firmware version on the
Configuration page at the end of the CPR
calibration data line. (It will look like EV = XX.)
The DC Controller firmware should only be
updated if you are experiencing one of the
issues below. Contact HP Customer Care for
assistance.
1.40 firmware (EV = 28)
Implemented a countermeasure to rotate the Drollers for 15 seconds after the printer has idled
for 8 hours or longer, thus eliminating the
mottled print quality defect.
1.41 firmware (EV = 29)
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Implemented countermeasure for the
75 mm streak print quality defect.
Increased the transfer bias for black at the
paper-trailing edge to resolve the trailing
edge defects (chick tracks).
Fixed Color Plane Registration (CPR) issues
due to low patch density when calibrating.
Optimized temperature set points for
overhead transparencies and glossy media.
HP Color LaserJet 2600n printer
Formatter firmware and fix lists
The latest firmware is available for download
from www.hp.com.
Revision A (20050218) firmware fixes
None—Formatter revision A was not released
to final production.
Revision B (20050307) firmware fixes
None—Formatter revision B was not released to
production.
1.42 firmware (EV = 2A)
Revision C (20050610) firmware fixes
No customer impact. This was a debug mode
fix. Basically all fixes in version 1.41 apply
here.
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Negative density number settings are now
saved correctly in the HP Color LaserJet
2600n and the HP Embedded Web Server.
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Paper TYPE settings are now displayed
correctly in the HP Color LaserJet 2600n
Toolbox and HP Embedded Web Server and
on the Configuration page.
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The HP Color LaserJet 2600n Toolbox and
HP Embedded Web Server pages no longer
become corrupted (garbled text) when
displayed.
1.47 firmware (EV = 2F)
Fixed a repetitive defect image (ghosting—also
known as fuser offset) which typically appears
along the outside edges of the printed
document. The defect repeats at 56.6 mm
intervals.
HP Color LaserJet 2600n printer
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