Troubleshooting
The following topics are described in this section:
●
Port communication
●
File to E-mail utility
●
Standalone scrubber
●
Two-pass cleaning-page utility
●
Collect.bat utility
●
E-mail
●
My Scans directory
Port communication
This section provides information on the following topics:
●
Overview
●
USB port connections
●
Device conflicts in Windows
Overview
The HP Color LaserJet 2820/2830/2840 all-in-one products include both a 10/100Base-T network
Jetdirect port and a USB port.
The HP Color LaserJet 2820/2830/2840 can be connected with either the 10/100Base-T network
Jetdirect or the USB port. The HP Color LaserJet 2820/2830/2840 does not support connection over a
parallel port.
NOTE Do not connect both the 10/100Base-T network Jetdirect port and the USB port at the
same time.
Do not connect two computers directly to the same HP LaserJet all-in-one product.
USB port connections
Hi-speed USB is an input/output mode that both PC and Macintosh computers support. A wide variety
of consumer devices, such as digital cameras and scanners, also support USB. Hi-speed USB is the
current standard. HP LaserJet all-in-one products are compatible with Hi-speed USB specifications.
A USB host is distinct from a USB device. The HP LaserJet all-in-one products are USB devices. They
can connect only to a USB host or a USB hub.
Device conflicts in Windows
When two-way communication cannot be established with the HP LaserJet all-in-one product, the
Windows Device Manager might show a conflict. Conflicts should be resolved immediately, before
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Engineering details
