Dec
T
echnical
B
ulletin
PAGE: 1/2
Model:
Taurus-C1a/C1b (D074/D075)
Date:
13-Dec-2011
No.:
RD074034
Subject:
Temporary Solution for Jam027 & Jam029
Prepared by:
K. Tsutsui
From:
1st Tech Service Sect., PP Tech Service Dept.
Classification:
Troubleshooting
Mechanical
Paper path
Part information
Electrical
Transmit/receive
Action required
Service manual revision
Retrofit information
Product Safety
Other (
)
Tier2
Symptom
Jam 27 / Jam 29
Cause
Software bugs causing failure in the LCT paper feed controls
Problem occurrence conditions
The problem occurs on Taurus-C1b and Taurus-P1 75ppm machines when all of the
following 3 conditions are met. The problem will not occur on the Taurus-C1a 65ppm
machine.
z
SP1004-003 is "2 or greater".
(
-5~1:OK, 2~5: NG)
z
Paper length of 216 mm or shorter in sub scan (feed) direction
z
Feeding from tray 3, 4, 5, or 6
Table:
Degree of paper arching at the registration gate according to the value set for SP1004
SP
value
-5 -4 -3 -2 -1 0 1 2 3 4 5
Paper
arching 0mm 1mm 2mm 3mm
4mm
5mm
6mm
7mm
8mm 9mm 10mm
Occurrence rate
Very high
Temporary Solution
Set SP1004-003 to a value "smaller than 2" until fixed firmware is available.
Permanent Solution
Bug fix
Fixed firmware will be available at the end of January 2012.
Please see the firmware release notes for details on the bug fix.