3-30 Service Manual
5060-4xx
BASE SENSOR TEST
Use the Base Sensor Test to determine that the sensors located inside the printer are operating correctly. The
following sensors can be checked using this test:
Input S1
Input S2
In-Line Media
Fuser exit sensor
K TMC sensor (black)
C TMC sensor (cyan)
M TMC sensor (magenta)
Y TMC sensor (yellow)
See “Printer sensors” on page 5-3 for locations for these sensors. See “Cartridge contact assembly pin
locations (cyan, magenta and yellow)” on page 5-4 or “Cartridge contact assembly pin locations (black)”
on page 5-5.
CAUTION: These sensors are near high voltage terminals to the print cartridge. Use a nonconducting item to
toggle these switches and not your hand.
To run the Base Sensor Test.
1. Select Base Sensor Test from BASE SENSOR TEST in the Diagnostics mode.
2. Select the sensor to test.
OP for open and CL for closed are displayed.
3. Manually toggle the sensors by hand to verify that each sensor switches from open to closed.
DEVICE TESTS
Quick Disk Test
This test performs a non-destructive read/write on one block per track on the disk. The test reads one block on
each track, saves the data, and proceeds to write and read four test patterns to the bytes in the block. If the block
is good, the saved data is written back to the disk.
To run the Quick Disk Test:
1. Select Quick Disk Test from DEVICE TESTS in the Diagnostics mode.
• The power indicator blinks while the test is in progress.
• Quick Disk Test/Test Passed is displayed if the test passes and the power indicator turns on
solid.
• Quick Disk Test/Test Failed is displayed if the test failed and the power indicator turns on
solid.
2. Press Go, Return, or Stop to return to the Device Tests menu.
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