T
echnical
B
ulletin
PAGE: 2/5
Reissued: 2-Jun-06
Model:
Model TH-C1
Date:
19-Jul-05
No.:
RB156005e
Symptom Corrected
Version
In rare cases, the machine freezes when it recovers from sleeping mode.
Conditions:
-
The machine did Process Control at least once that day
-
When the machine recovers, it does Corona Wire Cleaning
-
When the machine recovers, the fusing roller temperature is 50C or
lower
-
The temperature and humidity are within 15C/15% of the previous
Process Control.
Note: Even if this symptom occurs when a FAX is received, the FAX data
is not erased. It can be printed out after the front cover is
opened/closed, or the main power is turned Off/On.
V1.12:03
A registered User Color cannot be copied after the machine recovers from
Low Power Mode or the operation switch is turned Off/On.
The ARDF sometimes detects a U.S. standard size as a European standard
size (e.g. an LT original is detected as A4).
V1.11:03
The machine detects the toner end signal from the BK toner end sensor, and
then triggers the Toner End condition. Normally, this signal is not used for
Toner End control, so this BICU version ignores the signal.
An SC545 misdetection occurs when the machine recovers from Energy
Saver mode or when the main switch is turned ON.
It is possible to set Sp6-006-4 to a value of –3.0(mm) to –5.0(mm), even
though the setting range is –2.5(mm) to +5.0mm.
Note: As a result, lines appeared on the copy surface when the value was set
to –3.0 to –5.0
Other change:
The machine performs Process Control once a day (low CV machines).
Note: With previous versions, the machine performed Process Control when
the fusing temperature increases from 60 degrees or less (recovery from the
energy saver mode).
V1.10:03
Sometimes, incorrect solid images are printed when the machine recovers
from Low Power mode, when the main switch is turned ON, or when a
Scanning job is performed.
V1.09:03
SC670 is displayed when the scanner moves just after the main switch is
turned on.
V1.08:03
On/off control for the ITB cleaning clutch was added for duplex printing.
Note: The On/Off control for this clutch can now be adjusted separately for
simplex and duplex.
SP2-924-03 (ITB Cleaning Clutch Off/ON – Duplex)
[0 ~ 5 / 2 / 1/step]
Note: In addition to this BICU version, be sure to update the main unit
controller firmware to V1.07 or later.
V1.07
