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Error c-3921 error c3921

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Posted on Jan 02, 2017

  • 3 Answers

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

Posted on Mar 17, 2009

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1 Answer

What can i do to clear error c-3921 for Konica Minolta C220buzhub


If the code comes back do not reset, you are messing with the Fuser the Hot part. Continuing to reset without a technician looking at and or replacing it, the fuser can catch on fire and that would ruin a perfectly good day.

1. Turn OFF the main power switch.
2. Turn main power switch ON while pressing the Utility/Counter key.
3. Touch [Trouble Reset].
4. Check to make sure that [OK] is displayed and it has been reset.
5. After turning off the main power switch, turn it on again more than 10 seconds after and check if the machine starts correctly.

Mar 18, 2016 | Konica Minolta Office Equipment & Supplies

1 Answer

ERROR CODE 3921 BIZHUB 450


replace the fuser unit.

If the code comes back do not reset, you are messing with the Fuser the Hot part. Continuing to reset without a technician looking at and or replacing it, the fuser can catch on fire and that would ruin a perfectly good day.


Then reset.

use this procedure:

1. Turn OFF the main power switch.
2. Turn main power switch ON while pressing the Utility/Counter key.
3. Touch [Trouble Reset].
4. Check to make sure that [OK] is displayed and the it has been reset.
5. After turning off the main power switch, turn it on again more than 10 seconds after
and check if the machine starts correctly.

Feb 03, 2014 | Konica Minolta bizhub C450P Laser Printer

1 Answer

ERROR C-3921


replace the fuser unit

Jan 30, 2014 | Konica Minolta Bizhub C550

1 Answer

C280 error 3921


Do once if the code comes back replace the fuser unit or the fuser can catch on fire continuing to reset the machine ruining a perfectly good day.

1. Turn OFF the main power switch.
2. Turn main power switch ON while pressing the Utility/Counter key.
3. Touch [Trouble Reset].
4. Check to make sure that [OK] is displayed and it has been reset.
5. After turning off the main power switch, turn it on again more than 10 seconds after and check if the machine starts correctly.

Jan 27, 2014 | Konica Minolta bizhub C450P Laser Printer

1 Answer

I have a coad c-3921 so what did i do


this is a fusing code - take it out and see if any build up of toner on the ih cover - remove it if there is. then refit the fuser. Turn machine on holding down the utility key, when comes up with black spot in corner you can relese the utility key. after this a screen will appear after a little while - press the 2 resets (trouble and aes) then switch machine off and on again. use the main switch by tray 1 for this

Oct 11, 2013 | Konica Minolta Office Equipment & Supplies

1 Answer

Error c -3921


C - 3921 Fusing sensor a wire breaks detection.To reset :
Turn Off the copier.
Press and keep pressed the Utility key and turn ON copier.
Keep pressed the Utility key when Trouble reset message displayed.
Release the Utility key and press the message.
Turn OFF the copier,wait 1 minutes and turn ON.

Apr 16, 2013 | Minolta Office Equipment & Supplies

1 Answer

Ritmo CW-3921 webcam driver anyone have this driver pleAse help..thnx


1st You download Webcam Driver.
Ritmo CW-3921 webcam driver anyone have this
After this install the Webcam driver in the system.
Installation of Webcam Driver
Go to the control panel
Click on the System Icon
Click on the Hardware Tab
Click on the Device Manager s
Select the Unknown Device or printer device where yellow Question Marks sign on it.
Right click on it and uninstall it.
After this go to the top of the device manager and click on scan for hardware changes.
Driver installation Wizard start.
Brows Your Driver from the Hard Disk and click on next.
Driver will be install.

Nov 19, 2010 | GE EasyCam Webcam

2 Answers

Error c3921 konica minolta c451 error c3921 not known what to do


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

Mar 16, 2009 | Konica Minolta bizhub C450P Laser Printer

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