rietveld #1 Posted December 4, 2018 Hi. Just wanted to let you know that the RS CGP-115 4 pen color graphic printer will work with the ECS unit. It works the same as the harder to find Aquarius unit. The wiring is as follows : ECS plug tip to printer's 4 pin din plug pin 4 ECS middle. to printer's 4 pin din plug pin 2 ECS end sleeve. Printer's 4 pin din plug pin 3 printer's 4 pin din plug pin 1 not used 3 Quote Share this post Link to post Share on other sites