DataMetrics 2200, Руководство по эксплуатации и обслуживанию

Страница: 33 / 37

Model 2200 Printer OPERATION AND MAINTENANCE
DataMetrics Corporation 27
CAUTION
THE PRINTHEAD CAN BECOME VERY HOT AFTER PERIODS OF CONTINUOUS OPERATION.
AVOID CONTACT WITH THE PRINTHEAD DURING MAINTENANCE PROCEDURES.
NOTE
OBSERVE PRECAUTIONS RELATING TO ELECTROSTATIC DISCHARGE (ESD)
WHEN HANDLING COMPONENTS THAT INCLUDE INTEGRATED CIRCUITRY.
5.5.1. Ribbon Cassette
Removal:
a. Open the top cover of the printer and power up the unit to center the ribbon carriage.
b. Move the head gap lever to the “6” position (Figure 2-3).
c. Depress the tab on the left side of the ribbon cassette and remove the ribbon from the
printer.
Installation:
a. Rotate the knob on the new ribbon cassette clockwise to remove any slack.
b. Position the ribbon cassette over the printhead. Angle the right-hand side of the
ribbon cartridge down and position it under the retaining bracket. Ensure that the
ribbon is located between the printhead nose and the ribbon mask. Gently press down
on the cassette until it snaps into place.
c. Adjust the head gap lever for the thickness of paper used {1 (thin) to 6 (thick)}. A head
gap setting of 2 or greater is recommended for normal operation.
d. Close the top cover of the printer and power down the unit (if required).
5.5.2. Print Engine
Removal:
a. Open the top cover of the printer.
b. Remove the four screws that secure the print engine assembly to the engine base
plate.
c. Lift the print engine assembly up far enough to disconnect the interface cables from
the controller board. Remove the engine assembly from the chassis.
Installation:
a. Lower the print engine assembly into the chassis and connect the interface cabling to
the controller board.
b. Position the engine assembly on the base plate mounting blocks and install the
hardware that secures the print engine.
c. Close the top cover of the printer.