REPLACE PRINTER SERIAL INTERFACE PWA

TM 5-6350-275-24&P

3-25. REPLACE PRINTER SERIAL INTERFACE PWA. (Figure 3-32).

This task consists of:

a. Remove

b. Install

INITIAL SETUP:

Tools:

General Safety Instructions:

Screwdriver, Flat tip (Item 6, App B)

Remove all jewelry while working on

equipment.

Materials/Parts:

Serial Interface Board PWA AP1337-SI

Wear ESD wriststrap while working on

electronic assemblies.

WARNING

Shut off power source before attempting to disconnect, service, or connect wires or cables. Failure to do

so may result in serious injury or death.

a. Removal

(1)

Place printer (1) power on/off switch (2) to off.

(2)

Disconnect ac power cable (3) from AC power source and printer (1).

(3)

Loosen two captive screws (6) holding serial interface cable (7) to serial interface PWA (5).

(4)

Pull down on serial interface PWA holding pen (4) and remove serial interface PWA (5) from printer (1).

b. Installation

(1)

Install serial interface PWA (5) into printer (1) and secure with PWA holding pen (4).

(2)

Connect and secure printer interface cable (7) to serial interface PWA (5) by tightening two captive screws (6).

(3)

Connect ac power cable (3) to printer (1) and AC power source.

(4)

Place printer (1) power on/off switch (2) to on.

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