Recovery Procedure

1. Enter the SP mode.

1. Set SP3-044-xxx (Toner Supply Type) to "1: PID (Vref Fixed)".

   • Chose a target color SP number from -001 (Bk), -002 (Magenta), -003 (Cyan), and -004 (Yellow).

2. Set SP3-222-xxx (Vtref: Display/Set) to "4V".

   • Chose a target color SP number from -001 (Bk), -002 (Magenta), -003 (Cyan), and -004 (Yellow).

3. Set SP2-109-003 (Test Pattern; Pattern Selection) to "23: Full Dot Pattern".

4. Set SP2-109-005 (Test Pattern; Color Selection) to "1: All Color (black)", "2: Magenta", "3: Cyan", or "4: Yellow".

   • Chose a target color selection number.

5. Press "Copy Window" on the LCD.

6. Copy 20 sheets for A4 size or 30 sheets for A3 size, and then check the setting of SP3-222-xxx (Vtref: Display/Set).

   • If the setting of this SP is more than 4V, go to next step. If not, copy again until the setting of this SP is more than 4V.

7. Return the setting of SP3-044-xxx (Toner Supply Type) to "4: MBD (Vref_Control)".

   • Return the setting of the SP which you have changed in step 2 before.

8. Execute SP3-015-xxx (Forced Toner Supply: Execute) twice.

   • Chose a target color SP number from -003 (Bk), -004 (Magenta), -005 (Cyan) and -006 (Yellow).

9. Execute the SP3-011-002 (Process Cont. Manual Execution; Density Adjustment).