Manual sensor test 2 (special-mode test)
Use this test to test paper-path sensors and the paper-size switches manually. The following illustrations
and table show the locations of these sensors.
1.
Press the Menu
button.
2. Press the down arrow
to highlight DIAGNOSTICS, and then press the OK button.
3. Press the down arrow
to highlight MANUAL SENSOR TEST 2, and then press the OK button.
Table 7-4 Manual sensor test 2 diagnostic tests
Sensor or switch name Sensor or switch number
L MP Tray 1 paper present SR9
M Tray 2 paper present SR3
N Tray 2 installed SR4
O Tray 2 lift motor SR1
P Tray 3 paper present SR3
Q Tray 3 feed SR4
R Tray 3 installed SR1
S Tray 3 size switch (top) button SW1
T Tray 3 size switch (middle) button
U Tray 3 size switch (bottom) button
To perform an end-plate (left-side set of switches) or side-plate (right-side set of switches) switch test,
do the following:
●
Remove the appropriate tray (for example, if you want to test SR3 or SR4, remove Tray 2).
●
Watch for the corresponding bit to toggle from 1 to 0. It can take a few seconds for bits to toggle.
●
Test each switch individually to see if the corresponding bit toggles from 0 to 1.
L Tray 1 media present sensor
1. Open Tray 1.
334 Chapter 7 Solve problems ENWW
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