Service manual

222
SEP 2006
Ver. 1.1
DP-8020E/8020P/8016P
U13 Add Toner 1. Toner Bottle incorrectly installed.
2. Low Toner.
3. Toner Sensor disconnected.
4. Toner Sensor defective.
5. SPC PCB connector disconnected.
6. SPC PCB defective.
U14 Replace Toner Waste
Container
1. Toner Waste Container full.
(See Sect. 3.5.3.)
U15 No Toner Waste Container 1. Toner Waste Container not installed.
2. Toner Waste Container Sensor disconnected.
3. Toner Waste Container Sensor defective.
U16 No Developer Unit 1. Developer Unit not installed.
U18 Total Copy Limit Over 1. Department Copy Counter full.
U20 Close ADF Cover 1. ADF Cover open.
2. ADF not installed correctly.
3. ADF Cover Sensor disconnected.
4. ADF Cover Sensor defective.
5. PS connector disconnected.
6. PS defective.
U21 Close ADF 1. ADF, and ADF Cover open.
2. ADF Sensor disconnected.
3. ADF Sensor defective.
U22 Close ADF Exit Cover 1. ADF Exit Cover open.
2. ADF not installed correctly.
3. ADF Exit Cover Sensor disconnected.
4. ADF Exit Cover Sensor defective.
5. PS connector disconnected.
6. PS defective.
U25 Shake Toner Bottle 1. Toner blocked in the Toner Bottle.
U90 Replace Battery 1. Internal battery requires replacement.
User Error Codes (U Code) Table
Code Item Possible Cause(s)