Panasonic UF 8100 YC User Manual

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3 Troubleshooting
3.1. Error Codes (For Copier)
The self-diagnostic functions detect troubles in the important components of the copier. When trouble 
occurs, the machine stops.
Note:
Some Codes are not used in the UF-7000/7100/8000/8100 and are reserved for future use.
3.1.1. User Error Codes (U Code)
Note:
Uxx and a message will appear on the Panel Display.
User Error Codes (U Code) Table
Code Item Check Points
U01 CLOSE FRONT COVER 1. Front Cover is...

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3.1.1.1.Low Toner Messages / Operation
The Toner Cartridge Yield is approximately 5,000 pages using Letter or A4 size paper and 5% Black 
coverage, however, the maximum yield will not exceed 6,000 pages.
The machine controls the printer to maintain good print quality by controlling the Bias Voltage with the Low 
Toner Sensor and the Print Counter.
There are three Toner warning LCD Displays:
LCD 1: [TONER IS RUNNING LOW: U13]
Low Toner sensor detects Low...

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3.1.2. Jam Error Codes (J Code)
Section Jam Location
AADF
B Paper Transport / Exit Area
C Paper Entry Area
Jam Error Codes (J Codes) Table
Code Contents Section
J00 The Registration Sensor did not detect paper within a predetermined time after paper 
started feeding. (Sheet Bypass)
C J01 The Registration Sensor did not detect paper within a predetermined time after the 
Paper Feed Roller started rotating. (1st Feeder Unit)
J02 The Registration Sensor...

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•Sensor and Switch Location
Downloaded From ManualsPrinter.com Manuals 

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3.1.3. Mechanical Error Codes (E Code)
E1: Optical Unit Error
Code Function Check Points
E1- 22 Polygon Motor Synchronization 1. Engine PCB connector is disconnected. 
2. Engine PCB is defective.
3. Laser Unit is defective.
4. LVPS connectors is disconnected. 
5. LVPS is defective.
6. SC PCB is defective.
E2: Lift DC Motor Error
Code Function Check Points
E2 Not Applicable -
E3: Development System Error
Code Function Check Points
E3- 20 Main Motor...

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Note:
These error codes will appear only when the optional accessories are installed. E5- 40 Sort Memory Abnormal 1. Sort Memory defective.
2. SC PCB connector is disconnected.
3. SC PCB defective.
E7: Optional Unit Error
Code Function Check Points
E7- 90 Hardware Key Abnormal 1. Incorrect Hardware Key is installed.
2. Hardware Key is defective.
E13: Low Toner or Out of Toner
Code Function Check Points
E13 TONER IS RUNNING LOW
or 
OUT OF TONER1. Toner...

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3.2. Information Code Table (For Facsimile)
Fax Information Codes
Code Mode Phase Description of Problem Cause
001 RCV
COPYC, D Leading edge of the recording 
paper fails to reach the Timing 
Sensor. (1st Tray)Recording paper jam.
Timing Sensor abnormal.
002 RCV
COPYC, D Leading edge of the recording 
paper fails to reach the Timing 
Sensor. (2nd Tray)Recording paper jam.
Timing Sensor abnormal.
007 RCV
COPYC, D 1. Leading edge of the recording 
paper...

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400 XMT B T1 timer (35 ± 5 sec.) elapsed 
without detecting 300 bps signal.Incorrect number was dialed and the 
START button was pushed.
Telephone line was disconnected while 
dialing.
SC PCB or FXB PCB are defective.
Receiver is defective. (It may only be 
transmitting CED)
401 XMT B DCN was returned from receiver 
while transmitter is waiting for CFR 
or FTT.Your machines ID Number is not 
programmed.
Possible incompatibility or incorrect 
Password....

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412 G3 RX B, D No response within 12 seconds in 
NSS/DCS/MPS wait state. (After 
transmitting FTT)Transmitter is defective.
SC PCB is defective.
414 RCV
(Polling)B No response received after 
transmitting 3rd NSC.Password does not match between 
transmitter and receiver.
Transmitter is defective. (No original, 
document jam, etc.)
415 XMT
(Polling)B Remote side attempted to receive 
message from your machine in 
polling communication.Inform the remote...

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494 RCV C Interval between two EOLs was 
more than 10 sec. when receiver 
received message data.Transmitter is defective.
Line quality is poor. (EOL is damaged 
due to line noise)
SC PCB or FXB PCB are defective.
495 XMT 
RCVC During reception, CD turned OFF 
or continued ON for long time. 
During communication, lost loop - 
current.Line is disconnected.
Transmitter is defective.
SC PCB or FXB PCB are defective.
496 XMT C CS of modem is not able to turn...