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InkRepublic.com - Knowledge Base
Q: How to get rid of R1800's "PW sensor error"?
First, the PW sensor is located underneath the carriage on the left hand side (facing the printer). It is essentially inaccessible without dis-assembling the machine. After taking off the rear, sides, and top of the machine, you have to remove the bottom also. It shouldnt take that long, perhaps 20 minutes. Next, after carefully sliding the carriage over to the left most position (again facing the machine), the assembly holding the PW sensor became visible in a 2x2 window. Working through this window, you will be able to clean the sensor with a Q-tip followed by several blasts of canned air. Next, after reassembling the machine, you should run the diagnostics and adjusted the pw sensor.
Please contact CustomerCare@InkRepublic.com for the adjust software.
Email from Peter Offermann:
Thanks again for the great customer support. I've dealt with a lot support lines, you are in a class of your own at the top of the heap.
After 3 unsuccessful tries at cleaning the led and sensor I finally got up the nerve to take off the cover plate on the bottom of the carriage (it looked difficult to replace). There was a lot of ink inside which was likely causing a short between the pins to the light sensor. I used alcohol and lots of air to clean it thoroughly and the printer is now back to normal. I had to realign the printer.
The ink entered this area from the bottom, most likely during ink charging/cleaning.
I took photos of the whole disassembly and would be glad to put together a photo log of the process for you if you think it would be of use.
Here's a couple of photos of the carriage.
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