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JACUSTOMER-s6hhteqn-,
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I have a Panasonic FP7735 and receiving an error message E-3

Customer Question

I have a Panasonic FP7735 and receiving an error message E-3 with 40 showing on the copy count screen
JA: Just to clarify, what's the exact make and model of your machine?
Customer: Panasonic FP7735. I just recently received it. It looks good but I do not know the age.
JA: How long has this been going on? What troubleshooting have you tried?
Customer: Cut it off and restarted several times.
JA: Anything else you want the electronics expert to know before I connect you?
Customer: No. I just would like to know if it is worth fixing.
Submitted: 6 months ago.
Category: Printers
Expert:  JACUSTOMER-s6hhteqn- replied 6 months ago.

Hi there, my name is ***** ***** I am happy to assist you today!

E3-40 is a toner density sensor error. It's probably toner getting built up on the sensor. It's located under the drum. It will look like 2 little LED looking things on a little circuit board about 3-4 inches long and half an inch wide. You can blow it out with canned air.
If that doesn't work, then the sensor needs to be replaced.

Customer: replied 6 months ago.
OKay.
Expert:  JACUSTOMER-s6hhteqn- replied 6 months ago.

Is there anything else I can do for you? Please remember to rate my service as well so that my superiors can review.

Thank you!

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