1 Safety Warnings and Cautions The following Warnings and Cautions are used throughout this manual: Warning: Warnings alert you to possible safety risks. Caution: Cautions alert you to the potential for equipment damage. General Safety Information Caution: This product is intended for indoor use only. All service procedures should be done by properly trained and qualified service personnel.
2 GP I/O Serial Installation Tools Needed • 2.5mm Hex Head Wrench • 3mm Hex Head Wrench • 7mm Nut Driver Safety Overview Caution: ESD protection is required when performing these steps. Warning: The cover set may only be removed by a Datamax-O’Neil Authorized Service Center. Unauthorized service will void the manufacturer’s warranty. Warning: The printer must be powered off and disconnected from utility power prior to performing these procedures.
2 | GP I/O Serial Installation GP I/O Serial Installation Procedure Note: Retain all hardware for reassembly. 1. Open the media cover assembly. 2. If the present sensor option is installed on the cover, gently pry the sides of the cable chain outward to disconnect it from the present sensor cable connection cover. Note: If there is no present sensor mounted on the media cover, continue to step 5.
GP I/O Serial Installation | 2 3. Remove all four 7mm nuts securing the present sensor cable connection cover to the media cover. Figure: 2 - 2 PCB Cover 4. Disconnect the present sensor cable connector and route the connector (male) out of the opening. 5. Loosen all three (3) 2.5mm hex head screws from the upper cover mount. Note: For an easier re-installation, loosen but do not remove the screws.
2 | GP I/O Serial Installation 6. Loosen and remove the three (3) 2.5mm hex head screws securing the right side cover to the printer chassis. Figure: 2 - 4 Right Side Screws 7. Lift and remove the cover assembly from the printer chassis. Caution: Exercise caution when removing the cover set assembly and secure it in a safe position where it will not be damaged.
GP I/O Serial Installation | 2 8. Loosen and remove both (2) socket head screws securing the cover plate to the printer chassis and remove the plate.
2 | GP I/O Serial Installation 9. Insert the GP I/O Serial assembly into the printer chassis and secure it with the two (2) socket head screws that were removed during the previous step. Figure: 2 - 7 GP I/O Serial Assembly 10. Connect the GP I/O Serial assembly connector to junction J25 of the main PCB assembly. 11. Reinstall all other printer components in the reverse order as they were disassembled.