How to reset error code c0105 on konica c451?

SOURCE: Konica 7030 F-34-1 code

try to change the thermistor, if u confirm both the heater lamps is working.
the fuser unit from 7022 is not compatible with the 7020 machine.

SOURCE: error c3921

C3921: Fusing sensor wire breaks detection (Center of the heating roller)...

• At the warm-up stage, the heating roller
thermistor/3 voltage does not decrease by
predetermined steps (temperature rise)
within a predetermined time.

Check the fusing unit for correct installation
(whether it is secured in position).

Check the open/close operation of the
upper right door.

Check the fusing unit, IHPU, PRCB and
REDB for proper connection and correct or
change as necessary.

If that check still give you error code 3921

Change fusing unit

SOURCE: Konica Minolta c451: Tray 1 is not available

look behind the tray for paper....
if not do the folowning
power machine off from main switch sould be on the side or open the front door it;s on bottom left side.hold down the utility botton while powering on keep holdin untel prompted with message ...TROUBLE RESET press it should say ok than powr machine off wait 20sec power back on
hope that help
keep us posted

SOURCE: Konica Minolta BizHub C451 printing red lines down documents

your imaging unit is damaged. call minolta guys to have a look it at and change it if neccessary

SOURCE: LDAP issues with Konica C451

5 Network settings
5-52 bizhub C650/C550/C451 (FE3)
Setting up LDAP
Register LDAP servers and specify authentication settings. Settings can be specified for the following.
Setup LDAP screen 1/6
Setup LDAP screen 2/6
Setup LDAP screen 3/6
Setup LDAP screen 4/6
Parameter Description
LDAP Server Name Type in the name of the LDAP server to be registered.
Use the keyboard that appeared in the touch panel to type in the server name (32
characters or less).
Max. Search Results Specify the maximum number of destinations to be displayed after a search. To
change the setting, press the [C] (clear) key, and then use the keypad to type in
the desired setting. (Range: 5 to 1000)
Timeout Specify the maximum wait time for a search operation. To change the setting,
press the [C] (clear) key, and then use the keypad to type in the desired setting.
(Range: 5 to 300 seconds)
Initial Setting for Search Details Specify the initial search conditions for "Name", "E-Mail", "Fax Number", "Last
Name", "First Name", "City", "Company Name" and "Department" in an advanced
search.
Parameter Description
Server Address Specify the address of the LDAP server. Use the keyboard that appears in the
touch panel to type in the address (255 characters or less).
Search Base Specify the search starting point in a hierarchical structure arranged on the LDAP
server. Searches are performed by also including the sub-directories lower than
the starting point that was specified.
Use the keyboard that appears in the touch panel to type in the address (up to 255
characters).
Parameter Description
SSL Setting Select whether or not SSL (data encryption) is used when connecting to an LDAP
server.
When SSL is used, communication information is encrypted.
Port Number Specify the port number for the LDAP server. To change the setting, press the [C]
(clear) key, and then use the keypad to type in the desired port number. (Range: 1
to 65535)
Port Number (SSL) Specify the port number when SSL is used. To change the setting, press the [C]
(clear) key, and then use the keypad to type in the desired port number. (Range: 1
to 65535)
Parameter Description
Authentication Type Select the authentication method used for logging on to the LDAP server.
Anonymous: This authentication method does not require a user name and password.
If "Anonymous" is selected, dynamic authentication is disabled.
Simple: This simple authentication method requires a user name and password.
Be careful since the passwords can be leaked over the network.
Digest-MD5: This authentication method can be used on a typical LDAP server. If
authentication fails using Digest- MD5, the authentication is performed by automatically
switching to CRAM-MD5.
GSS-SPNEGO: This authentication method can be used with Active Directory in
Windows (Kerberos authentication).
NTLM v1 and NTLM v2: These standard user authentication methods can be used
with Windows NT.
They can be used for logging on when sharing files and printers.
bizhub C650/C550/C451 (FE3) 5-53