OKI C931
Maintenance Mode. Self-diagnostic mode. Level 1
Entering self-diagnostic mode (level 1)
- Press the BACK, OK and ON LINE in combination after “Ready” is displayed to enter the System Maintenance mode.
- Press the MENU▲ or MENU▼ button to select “Engine Diag Mode”. Then press the OK button to display “DIAGNOSTIC MODE”.
- XX.XX.XX of “DIAGNOSTIC MODE XX.XX.XX” displayed on the LCD display identifies the PU firmware version. The FACTORY WORKING MODE setting is displayed in the right portion of the lower row. The setting is normally S-MODE, which identifies Shipping.
- Press the MENU▲ or MENU▼ button to go to each self-diagnostic step (press the MENU▲ or MENU▼ button to display the next or preceding menu option).
Exiting self-diagnostic mode
1. Press the BACK button when “DIAGNOSTIC MODE” is displayed.
The normal self-diagnostic mode menus are as follows:
| No | Option | Self-diagnosis Menu | Adjustment |
|---|---|---|---|
| 1 | Switch scan test | SWITCH SCAN | Checks input sensor and switch |
| 2 | Motor clutch test | MOTOR&CLTCH TEST | Tests the operation of a motor or clutch. |
| 3 | Test printing | TEST PRINT | Prints a test pattern stored in the PU. |
| 4 | Color registration adjustment test | REG ADJUST TEST | Judges the color registration adjustment mechanism as pass or fail. |
| 5 | Density adjustment test | DENS ADJ TEST | Judges the density adjustment mechanism as pass or fail. |
| 6 | Media weight sensor adjustment | MEDIA WT ADJUST PA | Executes the adjustment of the media weight sensor sensitivity. |
| 7 | Paper width sensor adjustment | PAPER WIDTH SNS ADJ | Executes the adjustment of the paper width sensor sensitivity. |
| 8 | Consumable counter display | CONSUMABLE STATUS | Displays the usage of consumables. |
| 9 | Consumable life counter display | PRINTER STATUS | Displays the life counter of consumables. |
| 10 | Factory/Shipping mode switching | FACTORY MODE SET | Switches between Factory and Shipping modes |
| 11 | Engine parameter setting | SENSOR SETTING | Sets whether to enable or disable error detection performed by each sensor. |
| 12 | Display of LED head serial number | LED HEAD DATA | Displays the serial number of LED head data. |
| 13 | Execution of Drum cleaning mode | DRUM MANUAL CLEANING | Executes manual cleaning of a drum surface |
| 14 | Information of fuser setting | FUSER | This item is not used. |
| 15 | Display of error code | ERROR CODE | Displays the error code |