Epson SC-S30600 CR Motor over speed error

Epson SC-S30600 Error Code 113B: CR Motor over speed error

Code Error Name Cause Check Item Solution
113B CR Motor over speed error The CR Motor was driven at a speed faster than a predetermined one during deceleration.
– Irregular load
– CR Encoder failure
– SUB Board is damaged.
– CR Motor driver failure
Does the CR Encoder work properly? Check it using the Service Program. 1. Replace the CR Encoder.
2. Replace the SUB Board.
3. Replace the Main Board.

How To Fix Epson SC-S30600 CR Motor over speed error

Replace the CR Encoder


1. Unlock the CR Unit.
2. Remove the Wiper Cleaner.
3. Remove the Media Loading Lever.
4. Remove the Right Upper Cover.
5. Remove the Left Rear Cover.
6. Remove the Left Upper Cover.
7. Remove the Left Cover.
8. Remove the Right Cover.
9. Remove the APG Unit.
10. Remove the CR Motor.
11. Remove the CR Cover.
12. Remove the Damper Kit.
13. Remove the Print Head.
14. Remove the CR Scale.
15. Remove the CR Unit.
16. Remove the two screws, and remove the CR Encoder and Encoder Cover.
A) Silver M2.5×8 P-tite screw: 2 pcs
17. Disconnect the FFC from the CR Encoder.

Replace the SUB Board


1. Unlock the CR Unit.
2. Remove the Left Rear Cover.
3. Remove the Left Upper Cover.
4. Remove the CR Cover. (p119)
5. Disconnect all cables and FFCs from the Sub Board.
6. Remove the four screws, and remove the Sub Board.
A) Silver M3x8 P-tite screw: 4 pcs

Replace the Main Board

1. Remove the Board Box Cover.
2. Disconnect the cables from the connectors (CN5, CN15) on the Main Board.
3. Remove the four screws, and remove the Main-B Board together with the
mounting plate.
A) Silver M3x6 screw: 4 pcs

4. Disconnect all cables and FFCs from the Main Board.
5. Remove the eight screws, and remove the Main Board.
B) Silver M3x6 screw: 7 pcs
C) Silver M3x6 screw (USB fixing screw): 1 pcs

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