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Toshiba e-Studio 5540c

Error Codes List page 3

 All About this machine
  • Code: C270
  • Description: (1) Carriage home position sensor not turning OFF within a specified period of time: The carriage does not shift from its home position in a specified time. (2) Downloading firmware with an incorrect model.
  • Causes: Carriage home position sensor Carriage home position sensor harness SLG board Scan motor Scan motor harness
  • Remedy: 1 Carriage lock Check if the carriage locking screw for packaging is attached. 2 Carriage home position sensor 1. Check if the harness of the carriage home position sensor is connected properly. 2. Check if the harness is caught or open circuited. 3 SLG board 1. Check if the connector of the carriage home position sensor on the SLG board is connected properly. 2. Check if the mounted parts on the SLG board are damaged or abnormal. 3. If the model of the firmware downloaded is incorrect, a C270 error (exposure lamp blinks twice) occurs. If the exposure lamp blinks twice, download the correct ROM. 4 Scan motor 1. Check if the belt tension is loosened. 2. Check if the motor fixing screw is loosened. 3. Check if the carriage wire and the timing belt come off. 4. Check if the connector is connected to the motor properly. 5. Check if the harness of the motor is caught or open circuited.
  • Code: C280
  • Description: Carriage home position sensor not turning ON within a specified period of time: The carriage does not reach to its home position in a specified period of time.
  • Causes: Carriage home position sensor Carriage home position sensor harness SLG board Scan motor Scan motor harness
  • Remedy: 1 Carriage lock Check if the carriage locking screw for packaging is attached. 2 Carriage home position sensor 1. Check if the harness is properly connected to the sensor 2. Check if the harness is caught or open circuited. 3 SLG board 1. Check if the harness of the carriage home position sensor is connected properly. 2. Check if the mounted parts on the SLG board are damaged or abnormal. 4 Scan motor 1. Check if the belt tension is loosened (if the motor screw is loosened). 2. Check if the wire and the belt come off. 3. Check if the connector (J007/J125) is connected to the motor properly. 4. Check if the harness of the motor is caught or open circuited.
  • Code: C290
  • Description: Scanner fuse blowout: 24V power for the scanning system is not supplied at the scanner warming-up after power-ON.
  • Causes: SLG board Fuse Supply harness LVPS
  • Remedy: 1 Is 24V supplied to the SLG board? Yes Supplied. 2 No Not supplied. 3 2 SLG board Check the following because the signal for checking 24V on the SLG board is abnormal. 1. Check if 3V is input in 35 Pin of the scanner CPU (IC15). 2. Check if the mounted parts on the SLG board are damaged or abnormal. 3 Supply harness 1. Check if the supply harness is connected properly to the connector. SLG board 1. Check if 24V and SG on the SLG board are short circuited. 2. Check if the power supply is short circuited by pulling out the supply harness on the SLG board. LVPS 1. Check if the fuse on the LVPS is open circuited.
  • Code: C360
  • Description: Needle electrode cleaner operation abnormality
  • Causes: Needle electrode cleaner detection sensor Needle electrode cleaner drive motor EPU board LGC board
  • Remedy: EPU tray (process unit) • Connection check (05-2788) • Perform the code 08-4606- 0 to -3 (-0: K, -1: Y, -2: M, -3: C) to check which station the error is found. • Connector check • Harness check Needle electrode cleaner detection sensor (S30 - S33) • Sensor check (Perform the input check: K: 03-[FAX]ON/[0]/[E]), C: 03- [FAX]ON/[0]/[H]), M: 03-[FAX]ON/[9]/[C]), Y: 03-[FAX]ON/ [9]/[F]) • Check if the needle electrode cleaner detection sensors (S30 - S33) are coming off of the plate of the EPU tray. • Connector check • Harness check Needle electrode cleaner drive motors (M23 - M26) • Motor check (Perform the output check: K: 03-207, C: 03-206, M: 03- 205, Y: 03-204) • Connector check • Harness check Needle electrode cleaner drive section • Check if the needle electrode cleaner drive section rotates smoothly, and if it does not, clean or replace it. EPU board • Connector check (CN550, CN551, CN553, CN554, CN555, CN556) • Board check LGC board • Connector check (CN308, CN310) • Harness check • Board check
  • Code: C370
  • Description: Transfer belt operation abnormality
  • Causes: Transfer belt contact/release detection sensor Transfer belt motor DRV board LGC board
  • Remedy: DRV board • Connector check (CN536, CN541) • Harness check • Board check Transfer belt unit • Connector check • Unit check Transfer belt motor (M13) • Motor check (Perform the output check: 03-116) • Connector check • Harness check Transfer belt contact/release detection sensor (S46) • Sensor check (Perform the input check: 03-[ALL]OFF/[5]/[H]) • Connector check • Harness check LGC board • Connector check (CN311) • Board check
  • Code: C380
  • Description: Auto-toner sensor-K abnormality (upper limit)
  • Causes: Auto-toner sensor-K/-C/-M/-Y Developer unit mixer motor-K/YMC EPU board LGC board
  • Remedy: Developer unit mixer motor-K/YMC • Motor check (Perform the output check: K: 03-114 TMC: 03-115) EPU tray (process unit) • Connection check (05-2788) • Connector check • Harness check EPU board • Connector check (CN550, CN551, CN553,CN554, CN555, CN556) • Board check LGC board • Connector check (CN308, CN310) • Board check
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