Diagnostic Mode - Oki C910 Troubleshooting Manual

5.1.2.2 Regular Self-Diagnosis Mode (Level 1)
The Regular Self-Diagnosis Mode menu is as follows.
• Switch Scan Test
• Motor and Clutch Test
• Execute Test Pattern
• Initialize NVM
• Consumable Counter Display
• Consumable Continual Counter Display
5.1.2.2.1 How to Enter Self-Diagnosis Mode (Level 1)
1. Press the [MENU+], [MENU-] and [HELP] keys at the same time when turning ON the
power to go to the System Maintenance Mode.
2. Press the [MENU+] and [MENU-] key until the "DIAGNOSTIC MODE" is displayed.

DIAGNOSTIC MODE

XX.XX.XX
3. "Diagnostic Mode XX.XX.XX" appears on the LCD panel. The XX.XX.XX stands for the
version of the ROM. At the bottom right the setting of the "Factory Working Mode" is
displayed. This is usually "S-MODE".
4. Press the [MENU+] or [MENU-] key to go to each self-diagnostic step. (The menu item
rotates by pressing the [MENU+] or [MENU-] keys)
5.1.2.2.2 Escape from Self-Diagnosis Mode
1. Turn OFF the power then re-turn it ON after 10 seconds.
S-MODE
Troubleshooting Guide Page 8