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Ricoh Aficio MP C2550 User Manual

Ricoh Aficio MP C2550
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Authentication by telnet
This section explains Authentication by telnet. When using telnet, the default login name for administrator
login is "admin" and the password is blank. For details on how to login to telnet, see "Using telnet", Network
and System Settings Guide.
"authfree" Command
Use the "authfree" command to display and configure authentication exclusion control settings. If you use
the "authfree" command in telnet, you can exclude printer job authentication and specify an IP address
range. The authentication exclusion control display and setting methods are explained below.
View Settings
msh> authfree
If print job authentication exclusion is not specified, authentication exclusion control is not displayed.
IPv4 address settings
msh> authfree "ID" range_addr1 range_addr2
IPv6 address settings
msh> authfree "ID" range6_addr1 range6_addr2
IPv6 address mask settings
msh> authfree "ID" mask6_addr1 masklen
Parallel/USB settings
msh> authfree [parallel|usb] [on|off]
To enable authfree, specify "on". To disable authfree, specify "off".
Always specify the interface.
Authentication exclusion control initialization
msh> authfree flush
In both IPv4 and IPv6 environments, up to five access ranges can be registered and selected.
7. Enhanced Network Security
206
7

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Ricoh Aficio MP C2550 Specifications

General IconGeneral
Print TechnologyLaser
FunctionsPrint, Copy, Scan, Fax
Print Speed (Color)25 ppm
Print Speed (Monochrome)25 ppm
Print Resolution600 x 600 dpi
Maximum Print Resolution2400 x 600 dpi
Duplex PrintingYes
Copy Speed (Color)25 cpm
Copy Speed (Monochrome)25 cpm
Copy Resolution600 x 600 dpi
Memory (Maximum)1 GB
Hard Disk Drive (Optional)80 GB
InterfaceUSB 2.0, Ethernet 10/100Base-TX
Fax Transmission Speed33.6 Kbps
Maximum Paper SizeA3
Scan Resolution600 dpi
Zoom Range25% - 400%
Paper SizeA4, A5, B5
Paper Weight52 - 256 g/m²
PDLPCL 6, PostScript 3
Network ConnectivityEthernet
Operating System CompatibilityWindows, Mac OS

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