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Epson 4003353 User Manual

Page 111

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Co/or service Manual

Table 5-7. Repair of the Printer Mechanism (Cont.)

Condition

I

Cause

I

Checkpoint

I

Solution

I

Symptom

The head cable is

Check whether the head

Reconnect the

disconnected.

cable is disconnected.

head cable.

is

The head cable is

Replace the head cable to

Replace the

carriage

defective.

see if operation is normal.

head cable.

the

to

Replace the

if the

Ink absorption is
poor.

“Ink is not absorbed”

the previous page.

Perform the cleaning

Clean.

operation.

Check whether the head

Reconnect the

cable is disconnected.

head cable.

1

The head cable is

particular dot

is

not

printed.

The head cable is

Replace the head cable to

Replace the

see if operation is normal.

head cable.

Replace the

Replace the

surface

is not clean.

Check the front of the

Clean.

The ink cartridge

is expired.

Insufficient contact

of the head cable.

Check whether the ink

Replace the

has expired.

Plug the cable

Check whether the cable is into th

e

properly plugged into the
connector.

connector
properly.

A dot is not
printed
occasionally.

Abnormal
printing.

Check the cleanliness.

Clean.

Replace the

to

see if this causes printing

Replace.

to be

normally.

The

is

defective.

Check whether the used

See “Ink is nol

ink goes through the used
ink tube.

.

Ink is poorly

absorbed.

The platen gap is

characters are

not aligned.

not adjusted.

Check the platen gap.

Adjust the gap

The
between the

The timing belt is

characters are

defective.

irregular.

Check that the timing belt

is properly inserted into the
bottom of the carriage.

belt properly.

Vertical line is

Bidirectional

not aligned.

alignment is not
adjusted.

Check it with bidirectional

Adjust the
bidirectional

alignment program.

alignment.

Character or
dot pitch is

Character or dot

abnormal.

pitch is abnormal.

Check it with head

Make each

inclination, distance

position.

adjustment.

Paper is not

fed normally

Rev. A