E503-0053: Solved By Switching Service Switch (Professional Puncher-C1) - Canon imageRUNNER ADVANCE 8105 Series Manual

Symptom

E503-0053: Solved by switching service switch (Professional Puncher-C1)

[Case in the field]
Description
After servicing the Professional Puncher-C1 the error code E503-0053 occurred.
- E503-0053: Error in communication between the Integration Unit - Professional Puncher (Professional
Puncher Integration Unit-B1)
Field Remedy
While working on the Professional Puncher-C1 the technician inadvertently moved the service switch to
the "Service" position. The switch was moved to the "Normal" position and all power cycled to correct the
error. The following image shows the location of the service switch in the Professional Puncher-C1.
pg. 225