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(023-100 intentionally excluded)
Diagnostic Tests 5-19
021 High-Capacity Input Unit Test
1 Go to: 021
2 Press: READY to run the test. The display registers the paper size installed in the unit,
as outlined on the chart (“1-0” will appear on the display if a high-capacity input unit
is not installed.)
3 Verify the correct paper size, as follows:
4 Press: STOP to exit.
022 Envelope Fuser Solenoid Test
1 Remove the photoconductor unit and place it in its protective packaging.
2 Go to: 022
3 Press: READY to run the test. The main motor turns on and “0” appears on the dis-
play.
4 Press: READY again to activate the envelope fuser solenoid.
5 Listen for a clicking sound and confirm that the display alternates between “0” and
when the solenoid is activated. If you hear no clicking, either the machine does not
have an envelope fuser installed or the solenoid is not working properly.
6 Check for the following conditions:
7 Press: STOP to exit.
(023-100 intentionally excluded)
Table 5-22. High-Capacity Input Unit Test Displays
Display Indication
1-1 A4-size paper in use
1-3 Letter-size paper in use
Table 5-23. Envelope Fuser Solenoid Test Displays
Display Indication
4-1 You forgot to remove the photoconductor unit.
090 Cover is open. Close cover.