HP CH336A#B1K Manual do Utilizador descarregar pdf (Página 14)

Troubleshooting

1-4

HP DesignJets 500, 510 and 800 Series Printers Service Manual

Solving Print Quality Problems

The Printer contains an internal Troubleshooting procedure which

helps you to diagnose and resolve the possible source of any Image

Quality or Line Quality defects. If Print Quality is poor before the

minimum life expectancy of the Printhead has been reached, the

Troubleshooting procedure should be performed which will

determine whether the Printhead needs replacing or not after

performing various levels of recovery actions.

For information on solving Print Quality problems see Chapter 6 -

Print Quality.

The Printer does not Power ON

1 Check that the power cord is connected correctly to the Printer and

to the Power Socket.

2 Check that the Front-Panel Cable is correctly connected to the

Interconnect PCA. Also make sure that the Front-Panel cable is not

damaged.

3 Check that the Interconnect Cable is properly connected at the both

ends of the Printer.

Cover Sensors are not Working

1 Check if the faulty sensor is installed correctly.

2 Check if the cable for the faulty sensor is connected correctly.

3 Replace the faulty Sensor (or the assembly that contains the Sensor).

The Line Sensor has Problems Detecting Media

1 Check the type of media that is being used since the Line Sensor

may have problems detecting transparent media or some types of

Non-HP media. Try loading white HP media in to the Printer and

check if the Line Sensor detects it.

2 Excessive ink deposits on the Print Platen surface can fool the

sensor by reflecting the light. Clean the Print Platen.

3 The Line Sensor is damaged or faulty. Replace the Carriage

Assembly ⇒ Page 8-78.

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HP CH336A#B1K Manual do Utilizador Página 14