T
echnical
B
ulletin
PAGE: 1/2
Model:
Taurus-C1a/C1b (D074/D075)
Date:
8-Sep-14
No.:
RD074123
Subject:
Bug in Engine Firmware Ver 1.67:04 and 1.68:04
Prepared by:
S. Sasaki
From:
1st PP Tech Service Sec., PP Tech Service Dept.,
Classification:
Troubleshooting
Mechanical
Paper path
Product Safety
Part information
Electrical
Transmit/receive
Other (
)
Action required
Service manual revision
Retrofit information
Tier 2
Symptom
The machine stalls during a job and the operation panel displays "Printing" instead of an
error message.
If the front doors are opened and closed in this condition, the machine
may detect a jam.
Cause
Bug in Engine firmware of the following version
Version
Program No. for Copier
Program No. for Printer
1.68:04
D0745404Q
M0445404N
1.67:04
D0745404P
M0445404M
Solution
Check the Engine firmware version on your next visit and update to the following
version, if installed with the affected version.
Version
Program No. for Copier
Program No. for Printer
1.69:04 or later
D0745404R or later
M0445404P or later
IMPORTANT
Some machines are shipped out from the factory with the affected firmware installed,
and thus require the update at installation.
See “Affected Serial Numbers” on the next page.