Panasonic DP-8020E Service Manual page 222

Code
U13 Add Toner
U14 Replace Toner Waste
Container
U15 No Toner Waste Container
U16 No Developer Unit
U18 Total Copy Limit Over
U20 Close ADF Cover
U21 Close ADF
U22 Close ADF Exit Cover
U25 Shake Toner Bottle
U90 Replace Battery
Ver. 1.0
User Error Codes (U Code) Table
Item
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.
1. Toner Waste Container full.
1. Toner Waste Container not installed.
2. Toner Waste Container Sensor disconnected.
3. Toner Waste Container Sensor defective.
1. Developer Unit not installed.
1. Department Copy Counter full.
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.
1. ADF, and ADF Cover open.
2. ADF Sensor disconnected.
3. ADF Sensor defective.
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.
1. Toner blocked in the Toner Bottle.
1. Internal battery requires replacement.
222
Possible Cause(s)
(See Sect. 3.5.3.)
DP-8020E/8020P/8016P
SEP 2006