The printer makes a strange noise when the CR is moving

CR Belt tension is inappropriate
The CR Unit and CR shaft are insufficiently lubricated
CR Scale or CR Encoder abnormality
The CR motor has reached the end of its life (rattling sound can be heard)
The paper feed system motors (PF/intermediate PF/Roll (ATC)) have reached the end of their lives
The Pump Cap Unit motor has reached the end of its life

Step	Confirmation points and methods	Page	YES	NO
1	Check CR Belt tension Perform CR Belt tension adjustment. Does the product recover from the failure?	CR Belt Tension Check & Adjustment	End	Go to step 2
2	Lubrication to the CR Oil Pad. Does the product recover from the failure?	Lubrication 10	End	Go to step 3
3	Check for CR Scale or CR Encoder contamination or damage Perform CR Scale contamination check with Service Program. Check if the CR Scale is damaged or contaminated. Clean the CR Scale if contaminated. Check that the CR Encoder is installed correctly. If the CR Scale/CR Encoder is damaged, replace it. Does the product recover from the failure?	CR Scale Check CR Scale CR Encoder	End	Go to step 4
4	Replace the CR Motor Does the product recover from the failure?	CR Motor	End	Go to step 5
5	Replace the PF Driven Roller Motor Does the product recover from the failure?	PF Driven Roller Motor	End	Go to step 6
6	Replace the Sub PF Driven Roller Motor Does the product recover from the failure?	Sub PF Driven Roller Motor	End	Go to step 7
7	Replace the 1st Roll Paper Motor Does the product recover from the failure?	1st Roll Paper Motor	End	Go to step 8
8	Replace the 2nd Roll Paper Motor Does the product recover from the failure?	2nd Roll Motor	End	Go to step 9
9	Replace the Pump Cap Unit Does the product recover from the failure?	Pump Cap unit	End	Escalate to person in charge

# The printer makes a strange noise when the CR is moving