HP Digital Sending impact to network bandwidth and
storage requirements
This article describes how HP Digital Sending
(Send-to-email, Send-to-folder, Send-to-
workflow, etc.) impacts network bandwidth. It
also identifies which additional storage
resources may be required, and describes the
factors used in providing these estimates.
Utilization (average usage)
The term “utilization” describes the percentage
of time that a specific MFP feature is used over
a typical workday (for instance, printing,
copying, faxing, or digital sending). In a
standard office environment, digital sending
utilization runs between one and five percent.
• Utilization is an important consideration
when estimating average impact to network
bandwidth. The impact on network
bandwidth increases linearly as utilization
increases.
Recommended Monthly Scan Volume (RMSV)
For the most part, MFPs and digital sending
devices are designed for use in “distributed”
scanning environments. This means that
multiple devices are used for digital sending
jobs instead of one centralized device that is
responsible for all digital sending activity. For
this reason, the RMSV is well below what the
devices are capable of. MFPs in particular
have a design target of approximately five
percent utilization for digital sending. The
HP 9250c Digital Sender and the HP 9200c
Digital Sender are designed specifically for
digital sending, and have a higher targeted
utilization for digital sending, but are not
intended to be used for continuous-use high-
volume scanning.
Maximum RMSV is used to calculate the
estimated impact to network bandwidth and
storage resources. Depending on the specific
device, the RMSV range for HP MFPs and
Digital Senders is between 3,000 to 15,000
images.
There are two other factors that should be
considered when estimating how HP Digital
Sending may impact network bandwidth and
file storage requirements.
1. File format selected for the scanned image.
Documents scanned in color are larger
than those scanned in black and white,
and documents scanned in higher pixels
per inch (ppi) resolution and with less file
compression are larger than those scanned
in lower resolution and with more file
compression. The table below shows the
available image configuration options,
which vary by file type.
File
format
Mode Resolution Output
quality
Color
PDF
Black-
and-
White
• 75 ppi
• 150 ppi
• 200 ppi
• 300 ppi
• 400 ppi*
• 600 ppi*
• Low
• Medium
• High
Color
• Low
• Medium
• High
TIFF/
MTIFF
Black-
and-
White
• 75 ppi
• 150 ppi
• 200 ppi
• 300 ppi
• 400 ppi*
• 600 ppi*
• Medium
Color
JPEG
Black-
and-
White
• 75 ppi
• 150 ppi
• 200 ppi
• 300 ppi
• 400 ppi*
• 600 ppi*
• Low
• Medium
• High
* Send-to-email is not available in 400 ppi
and 600 ppi.
2. Number of pages in the scanned job.
Because of the overhead associated with
any given image file format, the lower the
number of pages in a digitally sent job, the
higher the file size on a per-page basis.
For example, ten separate digital send
jobs of one page will have a greater
impact on network bandwidth and storage
resources than will one ten-page digital
send job.
Keeping you informed 4
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