EPSON WorkForce Enterprise WF-C17590, WF-C20590, & WF-M20590 7/9/19
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(Error Code: 034820) Negative pressure charge error 1
(Error Code: 034828) Negative pressure charge error 0
If this occurs after replacing parts, please check all the components of those parts to make sure all the tubes are connected properly
and it is seated in the printer properly. e.g. Wiper Valve Assy can easily be installed incorrectly which will cause either of these errors.
(Error Code: 035051) Finisher Communication error
Most likely cause is due to connecting/disconnecting the Finisher to the Bridge while power is on. This action damages the Finisher Main
Board. Please make sure main unit is turned off when connecting/disconnecting the Finisher.
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