Toshiba 1550 Service Handbook page 59

Plain paper copier paper feeding unit

Hide thumbs Also See for 1550:

2 Carriage errors

Remove the glass and move the carriage to the paper-feed end, then turn ON the power supply

and check the following:

Q1: Is there a loud noise after the carriage hits the home position?

Q2: Is there a loud noise after the carriage moves slightly or attempts to move?

1550 TROUBLESHOOTING

YES

Home switch does not come ON.

Check that the connector (J58) of the home switch is properly

inserted.

Check for disconnection or short-circuiting around J4 to J58.

YES

Turn OFF the power supply, and then move the carriage by

hand.

It feels as if there is backlash.

It feels as if the carriage gets caught halfway.

The carriage moves smoothly:

4 - 2

Retighten the setscrews of the scanning motor.

Check if the carriage is getting caught somewhere.

Check if one or more of pins J11-12~17 are discon-

nected or short-circuiting.

Also check for disconnection or short-circuiting

around IC7, J11-12~17.

My-1004