Description: Flexible cable connection error (support number : 4801)
Causes: Abnormity, left connection, or inappropriate connection in flexible cable connection between MAIN PCB UNIT and CARRIAGE RELAY PCB UNIT.
Remedy: 1 Check the flexible cable connection. Proper connection Replace the FLEXIBLE CABLE UNIT. Improper connection Reconnect the FLEXIBLE CABLE UNIT. The problem is not resolved Go to 2. 2 Reconnect after unplugging the power cable from the AC outlet for ten seconds or longer. The problem is resolved Complete. The problem is not resolved Replace the POWER SUPPLY UNIT.
Code: EC56 2FE0
Description: Power supply error in sub ink tank unit (support number : 6502)
Causes: The power is not supplied to ink tank ROMs.
Remedy: 1 Check the MAIN PCB UNIT cable connection. Proper connection Go to 2. Improper connection Connect the cable. 2 Check if the ink tank is empty. Not empty Replace the SUB INK TANK UNIT. Empty Replace the INK TANK.
Code: EC57 4040
Description: Unset time error in RTC (support number : 6702) Memo : Remove the error in service mode when handling is completed.
Causes: Unsetting GMT in RTC is detected at printer start-up in user mode.
Remedy: 1 Check if the battery is mounted in the I/F PCB UNIT. Battery is mounted Replace the battery and set GMT time by [OTHERS>RTC SETTING] GMT. Battery is not mounted Remount the battery and set GMT time by [OTHERS>RTC SETTING]. *GMT time = Greenwitch Mean Time
Code: EC57 404F
Description: RTC non-connection error (support number : 6700) Memo : Remove the error in service mode when handling is completed.
Causes: Reading / writing on information is disabled.
Remedy: 1 Check I/F PCB UNIT connection Proper connection Go to 2. Improper connection Connect the I/F PCB UNIT. 2 Replace the I/F PCB UNIT. The problem is resolved Complete. The problem is not resolved Replace MAIN PCB UNIT. (After replacement, perform board replacement mode and necessary adjustments.)
Code: EC58 2F12
Description: Backup PCB abnormal EEPROM error (support number : 4801)
Causes: BACKUP PCB UNIT EEPROM Memo : Remove the error in service mode when handling is completed.
Remedy: 1 Check the cable connection Proper connection Replace the BACKUP PCB UNIT. Improper connection Connect the cable.
Code: EC59 3002
Description: Wireless LAN device non-connection error (support number : 6910)
Causes: Wireless LAN device is not recognized.
Remedy: 1 Check the WIRELESS LAN PCB UNIT flexible cable connection Proper connection Replace the WIRELESS LAN PCB UNIT. Improper connection Connect the flexible cable.