HP LaserJet II Serie Manual De Instrucciones página 190

HP 33440/HP 33449 COMBINED SERVICE MANUAL
Tray Size Switches (SW201, SW202, SW203) Functional Check
The paper tray size microtitch levers are lomted on the lower right side of the paper tray cavity.
The microswitches indicate the presence and size of the instiled paper tray to the DC Controller.
The switches are activated by protrusions located on the rear of the paper tray. When the tray is
inserted, the protrusions activate (engage) the microswitches (refer to Figure 7-5 below.)
Table 7-6. Configuration of Tray Size Sensing Switches
IA4
I
ON
I
ON
I
OFF
I
Legal
I
OFF
I
OFF
I
ON
I
Envelope (Size set via Control Panel)
OFF ON
ON
Letter
ON
OFF OFF
No Tray Instiled
OFF OFF
OFF
Note: ON = Engaged
Metal Plate
Microswitch
(Slanted) in
Identifier Tabs
Levers
Paper
Figure 7-5. Tray Size Sensing Microswitches Locations
Operational Check
To check the operation of these Wtches (via the printer's Control Panel display), perform the
following
1. Power on the printer and
WOW it to
vvarrn
Up (to 00 READY). R emove the paper tray and ensure
printer is not in the Manual Feed mode.
2.
With one hand, Pm forward on the Paper Sensing Arm.
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