Checks / troubleshooting:
3. Move Carriage from side to side while
printer is turned off and see if there is
anywhere Carriage does not move
smoothly.
4. Set endurance time to more than 50
times in “Life: CR Motor” in self-
diagnosis function to see if any errors
related to PF motor such as “CR motor
error” occurs.

Recommended actions:
• After removing any foreign
substances and checking if printer
itself is not damaged, check if same
error still occurs.
• Check if T fence is placed between
CR encoders. If not, reassemble CR
encoder correctly. If T fence is
damaged, Replace.
• Clean and lubricate CR rail roller
guide.
• Check connection of following
connectors.
MAIN board :
• CR motor connector
• CR_FFC connector
CR board :
• CR_FFC connector
• Check connection to CR motor is
appropriate.
• Check if tensions of CR speed
reduction belt and Steel belt are
appropriate.
Replace following parts:
• T fence
• CR encoder
• CR_FFC
• CR motor
• CR board
• MAIN board