Activation Method For Self-Diagnostic Mode (Level 1); Deactivation Of Self-Diagnostic Mode; Switch Scan Test - Oki C5500 Maintenance Manual

5.3.2.2.1 Activation method for self-diagnostic mode (Level 1)

1. The system maintenance menu mode is activated when the power is turned on with the MENU+
and MENU- keys held down simultaneously
2. Press the MENU+ or MENU- key several times, until "ENGINE DIAG MODE" is displayed.
Pressing the ENTER key causes "DIAGNOSTIC MODE" to appear.
DIAGNOSTIC MODE
XX.XX.XX
3. XX.XX.XX of "DIAGNOSTIC MODE XX.XX.XX" which is displayed in the LCD section is the
version of the PU firmware. The set value of FACTORY WORKING MODE is indicated in the
lower line to the right. Normally, S-MODE for "SHIPPING" is displayed.
4. Pressing the MENU+ or MENU- key takes you to each self-diagnostic step. (The menu items
rotate as the MENU+ or MENU- key is pressed.)

5.3.2.2.2 Deactivation of self-diagnostic mode

1. Turn the power off, and on again after ten seconds.

5.3.2.3 Switch scan test

This self-diagnosis is practiced to check the inlet sensors and switches.
1. Activate the self-diagnostic mode (Level 1), press and hold down the MENU+ or MENU- key,
until "SWITCH SCAN" appears in the upper line of the display section, and then, press the
ENTER key. (The MENU+ key increments a test item, and the MENU- key decrements a test
item.)
SWITCH SCAN
2. Press and hold down the MENU+ or MENU- key, until the item corresponding to the unit of
Table 5-3 now to be tested appears in the lower line of the display section. (The MENU+ key
increments a test item, and the MENU- key decrements a test item.)
3. Pressing the ENTER key initiates the test, and the name and current status of the corresponding
unit are displayed.
Note)
Pressing and holding down (2 sec) the [ENTER] key when a motor is decided causes
the motor to keep running.
PAPER ROUTE:PU
1=H 2=L 3=H 4=L
Conduct this operation on each unit (Figure 5-1). The indications are produced in the
corresponding LCD display. (The indications vary from one sensor to another. See Table 5-3
for details).
4. Pressing the CANCEL key restores the status of Item 2 above.
5. Repeat Items 2 to 4, as needed.
6. To end the test, press the BACK key. (The status of Item 1 will be restored).
43085101TH Rev.1
FACTORY/SHIPPING
Oki Data CONFIDENTIAL
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