MAINTENANCE

1. Preventive Maintenance

Preventive maintenance for the MX-80 Type II and MX-80 F/T Type I I (hereafter referred to as “Type II Printer”) consists basically of cleaning. The Printer should be cleaned with a soft brush to remove paper dust and particles after every three months of use. The exterior surface of the Printer can be cleaned by using a mild detergent and water solution.

2.Parts Replacement

(1)General

Owing

to the sophisticated nature of the circuitry and mechanisms utilized

in

the

Type II Printer, operator’s troubleshooting is logically obliged to be

limited to certain easily recognizable symptoms and cures. If a Printer mal-

function other than the print head unit should occur the operator should

contact

the store from which the Type

I I

Printer was

purchased.

(2) Print head

 

 

 

In

case

of a print head trouble or a

worn

dot wire,

replace the print head unit

as

described below. (See Fig. 69.)

 

 

 

NOTE: Be sure to replace the print head after it has cooled.

STEP 1. Turn the power off.

STEP 2. Take off the printer lid and cartridge ribbon.

STEP 3.

Turn the head lock lever clockwise and remove the print head.

STEP 4.

Pull

the

head cable out straight while steadying the head connector

 

on

the

terminal board.

STEP 5.

Put a new head on the carriage assembly and replace the head lock

 

lever.

 

STEP 6.

Insert the head cable into the head connector carefully.

NOTES: 1. Inadequate connection may cause malfunctioning of the head.

2. The carriage assembly should not be moved without the print head mounted on the carriage.

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