Welch Allyn 53 Service Manual page 66

Remove and Disassemble the Printer Assembly
e. If you are replacing the printer board, remove the cables from connectors CN1 and
CN3 for use on the replacement board.
Printer Reassembly Notes
a. When connecting the printer assembly board to the plastic printer housing, be sure
the printer board is seated flat on the housing, within the guide rails on either side of
the housing, and with the front of the board secured under the tab on the front of the
housing.
b. To install the printer assembly into the cavity in the monitor, orient the printer
assembly so that the side rails of the plastic frame are on the left and right and the two
Service Manual
Printer board parallel with
the surface of the printer
housing.
Printer board resting evenly
on the housing standoffs.
Printer board inserted under
the retaining tab on the
printer housing.
66
Disassembly Procedure
Vital Signs Monitor Series 300