Lexmark Printer J110 Manual de usuario descargar pdf (Pagina 89)

Diagnostic Information 2-67

4085-001

Index Card/Sensor Service Check

Transport Service Check

Note: If the carrier strikes the left side frame and continues to drive into the

frame, then see page 2-48. Go to the “Carrier System Test” on page 3-32 .

FRU Action

1 Index motor does

not work.

If the index motor does not work, see “Index Motor

Service Check” on page 2-56 . If the index motor

is working correctly see “Index System Test” on

page 3-33 . If the test fails, replace the index/

encoder disk assembly. See “Encoder Disk Feed

Roller Assembly Removal” on page 4-34 .

2 Index Sensor To check the sensor, see the “Index System Test”

on page 3-33 .

FRU Action

1 Transport Motor Check the motor for binds, or loose motor pulley.

Disconnect the transport motor (J5) from the

engine board. Check for approximately 12 ohms

between pins 1 and 2 on the motor cable. If the

reading is incorrect, replace the motor.

Check for motor pins shorted to the motor

housing. If you find a pin shorted to the housing,

replace the motor. If the failure remains, replace

the engine board.

2 Maintenance

Homing Sensor

If access door switch does not work or carrier

does not move, see the “Maintenance Station

Service Checks” on page 2-55 .

3 Engine Board Disconnect (J2) from the engine board and check

for approximately +29 V dc between

(J2-1) and ground. If incorrect, replace the engine

board.

4 Carrier Guide

Rod

Clean the carrier rod.

Note: Lubricate the rod and the carrier rod

bearing surface. Do not use excess lubricant. Take

care to protect the encoder strip from grease.

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Lexmark Printer J110 Manual de usuario Pagina 89