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Technical Bulletin UTAX
UTAX
CLP 3721
CLP 3726
T
TA
CLP 4721
CLP 4726
TB-25B
2KT-E106/M Date: 16-06-2014
Priority:
…A highest priority / …B second priority / …C other / …S Service Information
Firmware Upgrade (Upgrade Pack V 5.01N)
T
OPIC
:
The firmware is upgraded as follows.
C
ONTENT OF
C
HANGES
:
Corrective measures for the confirmation display of wrong detection of the waste toner box.
The state of the waste toner box might not be recognized due to misalignment in software during the interrupting procession when the
machine recovers from the sleep mode, and the improper display instructing to check the state might appear even if the waste toner box is
not full. Thus, this is corrected. The above wrong state is also cleared only by turning the main switch off and on, but not cleared by
detaching and reinstalling the waste toner box or replacing with the new one.
FIRMWARE
Type Program No. Remarks
MAIN 2KV_3F00.005.003
NEW
ENGINE CLP 3721 / CLP 4721 2KT_1000.010.001
NEW
ENGINE CLP 3726 / CLP 4726 2KV_1000.010.001
NEW
LANGUAGE 2KV_81BR.001.010
When upgrading firmware or replacing board etc., please upgrade each firmware to the usable latest version at the same time.
Classification:
Entire Stock Rework
In-Field modification at next visit
X
In-Field modification by case
No modification necessary
Field Measure:
Upgrade the firmware to the latest version when the above phenomenon occurs.
Serial Nos.:
CLP 3721 /
CLP 3726 /
CLP 4721
CLP 4726
No production.
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