Description: Fuser unit related service call. Thermistor abnormality during printing: Abnormality of the thermistor is detected during printing.
Causes: MAIN board Switching regulator
Remedy: Check the thermistors • Check if the connector is disconnected. • Check if the edge thermistor is in contact with the surface of the fuser roller properly. • Check if the harness of the edge thermistor is open circuited. Check the MAIN board • Check if the connectors CN17 are disconnected. • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the MAIN board. Clear the status counter Change the current status counter value (08-400) “6” to “0”.
Code: C55
Description: ADF I/F error: Communication error has occurred between the ADF and the scanner
Causes:
Remedy: Check the connection. 1. Check if the connector CN71 on the ADF/RADF board is disconnected. 2. Check if the relay connector between the ADF/RADF board and the PFC board is disconnected. 3. Check if the connector CN246 on the PFC board is disconnected. 4. Check if the connector pins are disconnected and the harnesses are open circuited. 5. Check if the conductor patterns on the ADF/RADF board and the MAIN board are short circuited or open circuited. 6. Replace the ADF/RADF board. 7. Replace the MAIN board.
Code: C94
Description: Firmware update error: An error message appears when either of the following Main PC boards is installed to e- STUDIO223/243. - The Main PC board for e-STUDIO181/211 - The Main PC board for e-STUDIO163/166/203/206
Causes:
Remedy: Check the MAIN board. A C94 error message appears when either of the following Main PC boards is installed to e-STUDIO223/243. • The Main PC board for e-STUDIO181/211. • The Main PC board for e-STUDIO163/166/203/206.
Code: C97
Description: High-voltage transformer abnormality: Leakage of the main charger is detected.
Causes:
Remedy: Check the High-voltage transformer. 1. Is the main charger installed securely? 2. Check if the spring of high-voltage supply contact point is deformed. 3. Check if the needle electrode is broken or the main charger grid is deformed. 4. Check if any foreign matters is on the needle electrode or the main charger grid. 5. Is the transfer/separation charger installed securely? 6. Check if the transfer/separation charger wire is broken or unhooked. 7. Check if any foreign matter is on the transfer/separation charger wire.
Code: CA1
Description: Laser optical unit related service call Polygonal motor abnormality: The polygonal motor is not rotating normally.
Causes:
Remedy: 1 Is the polygonal motor rotating? Yes 1. Check if the conductor pattern on the MAIN board is short circuited or open circuited. 2. Replace the MAIN board. No 1. Check if the connector of the harness is disconnected between MAIN board (CN24) and the laser optical unit. 2. Check if the harness is open circuited and the connector pin is disconnected. 3. Check if the conductor pattern on the MAIN board is short circuited or open circuited. 4. Replace the laser optical unit. 5. Replace the MAIN board.
Code: CA2
Description: Laser optical unit related service call. H-Sync detection error: H-Sync detection PC board cannot detect laser beams.
Causes:
Remedy: 1 Are the harness open circuited and the connectors disconnected or misconnected between the MAIN board (CN21, CN22) and laser optical unit? Yes 1. Connect the disconnected connectors. 2. Replace the laser optical unit if the harness is open circuited. No 1. Replace the MAIN board. 2. Replace the laser optical unit.