• Code: EF12
• Description: [MJ-1110] Stapling error (rear) in the saddle stitch unit
• Causes: Rear saddle stapler drive unit Saddle control PC board (SDL)
• Remedy: Paper • Check if there is any paper in the hole punch unit, finisher or the on the transport path of the equipment. Remove it if there is. • Use paper accepted in the specifications. Staple cartridge (rear side) • Is the jam released by taking off the rear staple cartridge from the Finisher and removing the staple sheet slid from the staple case? Rear saddle stapler drive unit • Unit check • Connector check • Harness check Saddle control PC board (SDL) • Connector check (CN1) • Board check

• Code: EF13
• Description: [MJ-1110] Paper holder home position detection error in the saddle stitch unit
• Causes: Paper holding home position sensor (S38) Paper holding clutch (CLT4) Saddle transport motor (M16) Saddle control PC board (SDL)
• Remedy: Paper holding cam • Is there any mechanical problem when the paper holding cam is rotated? Correct if so. Paper holding home position sensor (S38) • Sensor check • Connector check • Harness check Paper holding clutch (CLT4) Check if the harness between the saddle control PC board (SDL) and the paper holding clutch (CLT4) is disconnected or open circuited. Correct if so. (Replace the harness if open circuited. Reconnect the connector securely if there is any disconnection.) Saddle transport motor (M16) Check if the harness between the saddle control PC board (SDL) and the saddle transport motor (M16) is disconnected or open circuited. Correct if so. (Replace the harness if open circuited. Reconnect the connector securely if there is any disconnection.) Saddle control PC board (SDL) • Connector check (CN5) • Board check

• Code: EF14
• Description: [MJ-1110] Paper exit jam in the saddle stitch unit
• Causes: Exit sensor (S31) Saddle control PC board (SDL) Finisher controller PC board (FIN)
• Remedy: Paper • Is there any paper remaining in the paper transport path of the equipment or the saddle stitch section of the Finisher? Exit sensor (S31) • Sensor check • Connector check (CN7) • Harness check Harness Check if the harness between the finisher controller PC board (FIN) and the saddle control PC board (SDL) is disconnected or open circuited. Correct if so. (Replace the harness if open circuited. Reconnect the connector securely if there is any disconnection.) Finisher control PC board (FIN) • Board check • Connector check (CN21) • Harness check Saddle control PC board (SDL) • Connector check (CN6, CN7) • Board check

• Code: EF15
• Description: [MJ-1110] Side alignment motor home position detection error in the saddle stitch unit
• Causes: Side alignment home position sensor (S36) Side alignment motor (M15) Saddle control PC board (SDL)
• Remedy: Jog • Is there any mechanical problem when the jog is moved? Correct if so. Side alignment home position sensor (S36) • Sensor check • Connector check • Harness check Side alignment motor (M15) • Motor check • Connector check • Harness check Saddle control PC board (SDL) • Connector check (CN4) • Board check

• Code: EF16
• Description: [MJ-1110] Stacker motor home position detection error in the saddle stitch unit
• Causes: Stacker home position sensor (S33) Stacker motor (M14) Saddle control PC board (SDL)
• Remedy: Stacker carrier • Is there any mechanical problem when the stacker carrier is moved? Correct if so. Stacker home position sensor (S33) • Sensor check • Connector check • Harness check Stacker motor (M14) • Motor check • Connector check • Harness check Saddle control PC board (SDL) • Connector check (CN8) • Board check

• Code: EF17
• Description: [MJ-1110] Folding blade home position detection error in the saddle stitch unit
• Causes: Folding blade home position sensor (S35) Folding blade clutch (CLT3) Saddle control PC board (SDL)
• Remedy: Folding blade cam • Is there any mechanical problem when the folding blade cam is rotated? Correct if so. Folding blade home position sensor (S35) • Sensor check • Connector check (CN12) • Harness check Folding blade clutch (CLT3) • Clutch check • Connector check (CN13) • Harness check Saddle control PC board (SDL) • Connector check (CN12, CN13) • Board check

• Code: EF18
• Description: [MJ-1110] Additional folding roller home position detection error in the saddle stitch unit
• Causes: sensor (S39) Additional folding motor encoder sensor (S42) Additional folding motor (M20) Saddle control PC board (SDL)
• Remedy: Additional folding carrier • Is there any mechanical problem when the additional folding carrier is moved? Correct if so. Additional folding home position sensor (S39) Additional folding motor encoder sensor (S42) • Sensor check • Connector check (CN7) • Harness check Additional folding motor (M20) • Motor check. Check if the motor and timing belt is installed properly. • Connector check (CN10) • Harness check Saddle control PC board (SDL) • Connector check (CN7, CN10) • Board check

• Code: EF19
• Description: [MJ-1110] Paper folding jam in the saddle stitch unit
• Causes: Exit transport sensor (S41) Saddle control PC board (SDL)
• Remedy: Paper • Is there any paper remaining in the paper transport path in the equipment or the saddle stitch section of the Finisher? Exit transport sensor (S41) • Sensor check • Connector check (CN7) • Harness check Saddle control PC board (SDL) • Connector check (CN7) • Board check