HP CH336A#B1K Manual do Utilizador descarregar pdf (Página 73)

Service Tests and Utilities

4-3

HP DesignJets 500, 510 and 800 Series Printers Service Manual

Service Tests (Diagnostics)

The following is a list of all internal Service Tests available in the

Printer. Instructions for entering the Service Tests menu are given

on Page 4-4.

1 Ink Supply Station ⇒ Page 4-6

The purpose of this test is to verify the operation of the Ink Supply

Station. A failure of the out-of-ink sensors or the springs in the Ink

Supply Station will eventually damage the Printheads because the

Printer will try to pump ink from an empty Ink Cartridge stall,

which will cause the Printhead to dry-fire.

2 Carriage Movement ⇒ Page 4-8

The purpose of this test is to verify the movement of the scan-axis

components at several speeds. This test checks for the following

problems:

 Friction problems with worn out slider rod or Carriage Bushings.

 Blockage due to problems with the Service Station.

 Problems with encoder sensing.

3 Paper Advance ⇒ Page 4-11

The purpose of this test is to identify whether there is too much

friction in the paper-axis drive system which is caused by defects

with the Transmission Gears, Drive Roller or the Paper-Axis Motor.

4 Troubleshooting ⇒ Page 6-4

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 at anytime,

the Troubleshooting procedure should be performed which will

determine whether the Printhead needs replacing (by marking it

with an exclamation mark) or not after performing various levels of

recovery actions.

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 284 285

Sem comentários

HP CH336A#B1K Manual do Utilizador Página 73