HP color laserjet 4500 Manuale Utente

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Chapter 2 Service tools
 EN
When running this test, make sure the ITB drawer is installed with 
Tray 2 and Tray 3 (if installed) removed. In this state, the default value 
on the front panel should be: 0X111111110010, where the x can be 
either 
0
 or 
1
. If there is any other value, then there is a possible 
problem. Identify the sensor or switch in the table above and test to see 
if the value changes. Cassette paper-size settings for each tray are 
described in the table below.
* These values are the same for Tray 3.
Paper-size settings
Paper Size
Tray 2 switches (DEF) Tray 3 switches (HIJ)
A4
000
000
B5
001
001
Custom (A5)
010
011*
Custom (B5 ISO)
011
011*
Letter
100
100
Executive
101
101
Legal
110
110
No tray installed
111
111