Using this manual Purpose This service manual contains information necessary to test, calibrate and service: ● HP Designjet T7100 printer (Models CQ105A, CQ106A) ● HP Designjet T7100 Monochrome printer (Models CQ101A, CQ102A) For information about using these printers, refer to the Using your printer manual. Readership The procedures described in this service manual are to be performed by HP certified service personnel only. Part Numbers Part numbers for printer options, accessories and service parts are located in Parts and diagrams on page 186 . ENWW v