Table 5-3

 

Microswitch Signals

 

 

 

 

 

Switch

 

Description

PCA

 

 

 

 

SW601

Door Open Sensing Switches (front and rear)

Paper Control PCA

 

 

 

 

SW602

Test Print Switch

Paper Control PCA

 

 

 

 

SW603

PC tray (Tray 2) Size Sensing Switches

Paper Control PCA

 

 

 

 

SW604

PC tray (Tray 2) Size Sensing Switches

Paper Control PCA

 

 

 

 

SW605

PC tray (Tray 2) Size Sensing Switches

Paper Control PCA

 

 

 

 

SW851

Lower Cassette (Tray 3) Size Sensing Switches

Lower Cassette

 

 

 

 

SW852

Lower Cassette (Tray 3) Size Sensing Switches

Lower Cassette

 

 

 

 

SW853

Lower Cassette (Tray 3) Size Sensing Switches

Lower Cassette

 

 

 

 

PC (Tray 2) and LC (Tray 3) Tray Size Sensing System

Trays inserted into the printer trigger specific microswitches, which define the tray size (see Table 5-4). Refer to Figure 7-1 for location.

Table 5-4

Switch Settings for PC (Tray 2) and LC (Tray 3)

 

Trays

 

 

 

 

 

 

 

 

 

 

 

 

Tray Size

 

SW603

SW604

SW605

 

 

(Upper)

(Middle)

(Lower)

 

 

 

 

 

Letter

 

ON

OFF

ON

 

 

 

 

 

Legal

 

ON

ON

OFF

 

 

 

 

 

A4

 

OFF

OFF

ON

 

 

 

 

 

Executive

 

OFF

ON

ON

 

 

 

 

 

Tray Not Installed

 

OFF

OFF

OFF

 

 

 

 

 

Functional Overview 5-9