Using this Manual Purpose This Service Manual contains information necessary to test, calibrate and service: ● HP Designjet T2300 eMFP 44 inch (Model CN727A) ● HP Designjet T2300 eMFPps 44 inch (Model CN728A) For information about using these products, refer to the corresponding User and Quick Reference Guides. Readership The procedures described in this Service Manual are to be performed by HP Certified service personnel only. Part Numbers Part Numbers for product service parts are located in Chapter 7 Parts and Diagrams on page 169 . ENWW v