EPSON FX-2180 Service Manual

Table 3-8. Repairing the Printer Mechanism (Continued)

Problem

 

Symptom

 

Cause

 

Checkpoint

 

Solution

Chapter 3 Troubleshooting

Table 3-8. Repairing the Printer Mechanism (Continued)

Problem

 

Symptom

 

Cause

 

Checkpoint

 

Solution

Carriage operation is abnormal.

The carriage

There is a lack

Move the

Replace

moves slightly

of lubrication,

 

carriage by

the oil

and then stops.

or foreign

 

hand to check if

pad.

 

material is

 

it moves

Remove

 

stuck on the

 

smoothly.

the CR

 

CR shaft or oil

Check the CR

shaft,

 

pad.

 

shaft and oil

clean it,

 

 

 

pad to see if

and then

 

 

 

they are

lubricate

 

 

 

sufficiently

it.

 

 

 

lubricated.

 

 

The HP sensor

Check the

Replace

 

is defective.

operation of the

the HP

 

 

HP sensor. (See

sensor.

 

 

Table 3-2.)

 

 

Foreign

Check the HP

Remove

 

material is

sensor.

any

 

lodged

 

 

foreign

 

between the

 

 

material.

 

HP sensor

 

 

 

 

terminals.

 

 

 

 

The HP sensor

Check the

Connect

 

is not properly

connection.

CN4.

 

connected to

 

 

 

 

CN4.

 

 

 

The carriage

The HP sensor

Check the

Replace

moves left

is defective.

operation of the

the HP

(toward the

 

HP sensor. (See

sensor.

home position)

 

Table 3-2.)

 

and strikes the

 

 

 

 

printer frame.

 

 

 

 

 

 

 

 

 

Printing is

No image is

The common

Check the

Replace

abnormal.

printed.

wires in the

common wires

the print

 

 

print head FFC

in the print head

head FFC.

 

 

are dis-

FFC.

 

 

 

connected or

 

 

 

 

there is no

 

 

 

 

continuity.

 

 

 

The printer

The print head

Measure the coil

Replace

 

does not print

is defective.

resistance of the

the print

 

certain dots.

 

print head. It

head.

 

 

 

should be

 

 

 

 

approx. 16.4 Ω.

 

 

 

 

(See Table 3-1.)

 

 

 

The common

Check the

Replace

 

 

wires in the

continuity in the

the print

 

 

print head FFC

FFC.

head FFC.

 

 

are dis-

 

 

 

 

connected, or

 

 

 

 

there is no

 

 

 

 

continuity.

 

 

3-12

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Epson TM-FX2180 manual Ffc