Technical Bulletin PAGE: 1/1
Model: Taurus-C1a/C1b (D074/D075) Date: 29-Mar-12 No.: RD074058
Subject: Initial check results of SP3025 & SP3031 Prepared by: Kazuya 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 ( ) Tier 2
SYMPTOM
Check results of the following SPs on brand new machines will display “0000” even though
the developer was installed at the factory, which may cause confusion when setting up
machines at new site installations. (“0” indicates failure, “1” indicates successful return.)
SP3025: Displays the results of developer/toner filling; YMCK from left to right
SP3031: Displays the results of TD sensor initialization; YMCK from left to right
CAUSE
Specification
ACTION
Unnecessary
The above symptom has no adverse effects on the machine and is not a problem.
However, please take note of the following:
z Developer does not have to be replaced even if the above SPs are “0000”.
z These SPs do not have to be checked upon new site installations.
MODIFICATION
To prevent confusion caused by this symptom, machines will be shipped from the factory
with the above SPs set to “1111” in advance. Please note that this modification will take a
couple of months.
Note: When replacing the developer, make sure to follow the procedures described in the
field service manual and confirm that the above SPs both display “1111”.
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