Code :

Code: L4-32
Description: Power cooling fan/ozone exhaust fan trouble
When the power cooling fan/ozone exhaust fan is operated, the fan operation signal is not detected within the specified time.
Causes: Power cooling fan or ozone exhaust fan connector disconnection Fan does not rotate because of other trouble
Remedy: Case 1 Cause Power cooling fan or ozone exhaust fan connector disconnection Check and remedy Check the harness and the connector between the PCU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble Check and remedy Use SIM6-2 to check that the fan is actually rotating.

Code: L4-34
Description: LSU cooling fan trouble
When the LSU cooling fan is operated, the fan operation signal is not detected within the specified time
Causes: Fan connector disconnection Fan does not rotate because of other trouble.
Remedy: Case 1 Cause Fan connector disconnection Check and remedy Check the harness and the connector between the LSU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble. Check and remedy Use SIM6-2 to check that the fan is rotation actually. Replace the LSU fan. Replace the LSU PWB.

Code: L6-10
Description: Polygon motor lock detection
It is judged that the LSU polygon motor lock signal is not outputted, and the lock signal is checked after 7 sec from starting rotation of the polygon motor and it is judged that the polygon motor does not rotate properly.
Causes: Disconnection of the LSU connector or the LSU inside harness, or breakage Polygon motor trouble, LSU PWB trouble
Remedy: Case 1 Cause Disconnection of the LSU connector or the LSU inside harness, or breakage Check and remedy Check connection of the harness and the connector. If the trouble cannot be removed, replace the LSUcnt PWB or the LSU. Case 2 Cause Polygon motor trouble, LSU PWB trouble Check and remedy Use SIM61-1 to check the operation of the polygon motor. If the trouble cannot be removed, replace the LSUcnt PWB or the LSU.

Code: L8-01
Description: No full wave signal
No full wave signal is detected.
Causes: Harness trouble Power unit trouble PCU PWB trouble
Remedy: Case 1 Cause Harness trouble Check and remedy Check connection of the harness and the connector. Case 2 Cause Power unit trouble Check and remedy Replace the power unit. Case 3 Cause PCU PWB trouble Check and remedy Replace the PCU PWB.

Code: L8-02
Description: Full wave signal width abnormality
The full wave signal is judged as frequency abnormality. (The detection frequency is judged as 65Hz or above or 45Hz or less.)
Causes: Harness trouble Power unit trouble PCU PWB trouble
Remedy: Case 1 Cause Harness trouble Check and remedy Check the harness and the connector connection. Case 2 Cause Power unit trouble Check and remedy Replace the power unit. Case 3 Cause PCU PWB trouble Check and remedy Replace the PCU PWB.

Code: L8-20
Description: Power controller communication trouble
Communication establishment error/Framing/ Parity/Protocol error
Causes: Connector connection trouble between the mother board PWB and the MFPcnt PWB. MFPcnt PWB mother board connector pin breakage Mother PWB trouble
Remedy: Case 1 Cause Connector connection trouble between the mother board PWB and the MFPcnt PWB. MFPcnt PWB mother board connector pin breakage Check and remedy Check the connector connection between the mother board PWB and the MFPcnt PWB. Check grounding of the machine. Case 2 Cause Mother PWB trouble Check and remedy Replace the mother PWB. Case 3 Cause Mother PWB jumper error Check and remedy Set the mother PWB jumper to the Default side.

Code: PC---
Description: Personal counter not installed
The personal counter is not installed.
Causes: The personal counter is not installed.
Remedy: Install the personal counter.