Ricoh Aficio MP C2550 User Manual

Condition Cause Solution
Send or print with the LAN-Fax
driver
Confirm with the user
administrator if using basic
authentication.
Cannot perform the following:
• Print with the printer driver
• Connect with the TWAIN
driver
Send or print with the LAN-Fax
driver
The encryption key specified in
the driver does not match the
machine's driver encryption key.
Specify the driver encryption key
registered in the machine.
See "Driver Encryption Key".
Cannot perform the following:
• Print with the printer driver
• Connect with the TWAIN
driver
Send or print with the LAN-Fax
driver
The SNMPv3 account,
password, and encryption
algorithm do not match settings
specified on this machine.
Specify the account, password
and the encryption algorithm of
SNMPv3 registered in the
machine using network
connection tools.
Cannot authenticate using the
TWAIN driver.
Another user is logging on to the
machine.
Wait for the user to log off.
Cannot authenticate using the
TWAIN driver.
Authentication is taking time
because of operating conditions.
Make sure the LDAP server
setting is correct.
Make sure the network settings
are correct.
Cannot authenticate using the
TWAIN driver.
Authentication is not possible
while the machine is editing the
Address Book data.
Wait until editing of the Address
Book data is complete.
After starting "User Management
Tool" or "Address Management
Tool" in SmartDeviceMonitor for
Admin and entering the correct
login user name and password,
a message that an incorrect
password has been entered
appears.
"Restrict Use of Simple
Encryption" is not set correctly.
Alternatively, "SSL/TLS" has
been enabled although the
required certificate is not installed
in the computer.
Set "Restrict Use of Simple
Encryption" to [On].
Alternatively, enable "SSL/TLS",
install the server certificate in the
machine, and then install the
certificate in the computer.
See "Setting the SSL / TLS
Encryption Mode".
Cannot log on to the machine
using [Document Server:
"Restrict Use of Simple
Encryption" is not set correctly.
Set "Restrict Use of Simple
Encryption" to [On].
Authentication Does Not Work Properly
239
9

Ricoh Aficio MP C2550 Specifications

General

Print Technology	Laser
Functions	Print, Copy, Scan, Fax
Print Speed (Color)	25 ppm
Print Speed (Monochrome)	25 ppm
Print Resolution	600 x 600 dpi
Maximum Print Resolution	2400 x 600 dpi
Duplex Printing	Yes
Copy Speed (Color)	25 cpm
Copy Speed (Monochrome)	25 cpm
Copy Resolution	600 x 600 dpi
Memory (Maximum)	1 GB
Hard Disk Drive (Optional)	80 GB
Interface	USB 2.0, Ethernet 10/100Base-TX
Fax Transmission Speed	33.6 Kbps
Maximum Paper Size	A3
Scan Resolution	600 dpi
Zoom Range	25% - 400%
Paper Size	A4, A5, B5
Paper Weight	52 - 256 g/m²
PDL	PCL 6, PostScript 3
Network Connectivity	Ethernet
Operating System Compatibility	Windows, Mac OS