Technical Bulletin PAGE: 1/2
Model: Taurus-C1a/C1b (D074/D075)
Subject: Bug in Engine Firmware Ver 1.67:04 and 1.68:04
From: 1st PP Tech Service Sec., PP Tech Service Dept.,
Mechanical
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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
Solution
Check the Engine firmware version on your next visit and update to the following
version, if installed with the affected version.
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.