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KODAK 1200i WIDE-FORMAT PRINTING SYSTEM
Technical Training Guide 74
d) AC Isolation Transformers
- AC isolation transformers are common devices in
electronic repair shops. Technicians use them to isolate
the power on their repair benches from physical grounds
in the repair shop (pipes, radiators, etc.) This is primarily
for safety reasons. The same isolation transformers can
be used to electrically isolate the printer from the AC
power provided and thus break any ground loops. AC
isolation transformers are typically placed in series
between the power cord and printer.
- This is a costly solution and the benefits may
not be significant since the ground line will
continue to float at the printer side. These devices
are not suggested.
F. Related Print Symptoms
If data shift is observed at image edges combined with an image shift then this problem
is typically a dirty encoder strip or dirty encoder sensor. Please refer to Technical
Bulletin 5 for proper cleaning procedures.
DISCLAIMER:
This document has been provided as an aid to assist the installer/technician/authorized
service provider, or electrician in solving a very specific issue regarding grounding
related problems on the Kodak 1200i printer as detailed above. This document is not
intended to assist with other electrical or equipment issues, nor does it supersede any
regional electrical code regulations or ordinances. For grounding related problems on
the Kodak 1200i, Encad Inc. encourages technicians or authorized service providers to
suggest for the customer to consult a regionally certified electrician for
advice/assistance, as needed, on a case by case basis. Encad Inc. is not responsible for
any problems that arise or for any associated costs, in any way or manner, based on the
information provided herein.