• Code: EF15
• Description: Saddle Stitch Finisher side alignment motor home position detection abnormality
• Remedy: Is there any mechanical problem when the jog is moved? YES Fix the mechanism. NO Is there a disconnection of the connector, incorrect installation or breakage of the side alignment home position sensor (S36)? YES • Reconnect the connector securely if there is any disconnection. • Reinstall the sensor correctly if there is any incorrect installation. • Replace the sensor if there is any breakage. NO Is the harness between the side alignment home position sensor (S36) and the CN5 of the saddle control PC board (SDL) disconnected or open circuited? Is the harness between the side alignment motor (M15) and the CN5 of the saddle control PC board (SDL) disconnected or open circuited? l YES • Reconnect the connector securely if there is any disconnection. • Replace the harness if open circuited. NO Replace the saddle control PC board (SDL).

• Code: EF16
• Description: Saddle Stitch Finisher stacker motor home position detection abnormality
• Remedy: Is there any mechanical problem when the stacker carrier is moved? YES Fix the mechanism. NO Is there a disconnection of the connector, incorrect installation or breakage of the stacker home position sensor (S33)? YES • Reconnect the connector securely if there is any disconnection. • Reinstall the sensor correctly if there is any incorrect installation. • Replace the sensor if there is any breakage. NO Is the harness between the stacker home position sensor (S33) and the CN4 of the saddle control PC board (SDL) disconnected or open circuited? Is the harness between the stacker motor (M14) and the CN4 of the saddle control PC board (SDL) disconnected or open circuited? l YES • Reconnect the connector securely if there is any disconnection. • Replace the harness if open circuited. NO Replace the saddle control PC board (SDL).

• Code: EF17
• Description: Saddle Stitch Finisher folding blade home position detection abnormality
• Remedy: Is there any mechanical problem when the folding blade cam is rotated? YES Fix the mechanism. NO Is there a disconnection of the connector, incorrect installation or breakage of the folding blade home position sensor (S35)? YES • Reconnect the connector securely if there is any disconnection. • Reinstall the sensor correctly if there is any incorrect installation. • Replace the sensor if there is any breakage. NO Is the harness between the folding blade home position sensor (S35) and the CN15 of the saddle control PC board (SDL) disconnected or open circuited? Is there a disconnection of the connector, incorrect installation or breakage of the folding blade clutch (CLT3)? l YES • Reconnect the connector securely if there is any disconnection. • Replace the harness if open circuited. NO Replace the saddle control PC board (SDL).

• Code: EF18
• Description: Saddle Stitch Finisher additional folding roller home position detection abnormality
• Remedy: Is there any mechanical problem when the additional folding carrier is moved? YES Fix the mechanism. NO Is there a disconnection of the connector, incorrect installation or breakage of the additional folding home position sensor (S39)? YES • Reconnect the connector securely if there is any disconnection. • Reinstall the sensor correctly if there is any incorrect installation. • Replace the sensor if there is any breakage. NO Is the harness between the additional folding home position sensor (S39) or the additional folding motor encoder sensor (S42) and the CN19 of the saddle control PC board (SDL) disconnected or open circuited? Is the harness between the additional folding motor (M20) and the CN18 of the saddle control PC board (SDL) disconnected or open circuited? l YES • Reconnect the connector securely if there is any disconnection. • Replace the harness if open circuited. NO Replace the saddle control PC board (SDL).

• Code: EF19
• Description: Saddle paper folding jam
• Remedy: Is there any paper remaining in the paper transport path in the equipment or the saddle stitch section of the Finisher? YES Remove the paper. NO Is there a disconnection of the connector, incorrect installation or breakage of the exit transport sensor (S41)? YES • Reconnect the connector securely if there is any disconnection. • Reinstall the sensor correctly if there is any incorrect installation. • Replace the sensor if there is any breakage. NO Is the harness between the exit transport sensor (S41) and the CN19 of the saddle control PC board (SDL) disconnected or open circuited? l YES • Reconnect the connector securely if there is any disconnection. • Replace the harness if open circuited. NO Replace the saddle control PC board (SDL).

• Code: EF20
• Description: Saddle stacker jam
• Remedy: Is there any paper remaining in the paper transport path in the equipment or the saddle stitch section of the Finisher? YES Remove the paper. NO Is there a disconnection of the connector, incorrect installation or breakage of the stacker paper detection sensor (S30)? YES • Reconnect the connector securely if there is any disconnection. • Reinstall the sensor correctly if there is any incorrect installation. • Replace the sensor if there is any breakage. NO Is the harness between the stacker paper detection sensor (S30) and the CN14 of the saddle control PC board (SDL) disconnected or open circuited? l YES • Reconnect the connector securely if there is any disconnection. • Replace the harness if open circuited. NO Replace the saddle control PC board (SDL).

• Code: EF21
• Description: Hole Punch Unit paper leading edge skew detection abnormality
• Remedy: Is there any paper remaining on the paper transport path? Is it staying at the position shown below? YES Figure out the cause of the paper stopping (e.g. folding) and correct it. Then remove the paper. NO Are the skew sensor (S7-1 and S7-2) and its wiring correct? NO Replace the sensor. Correct the wiring. YES Replace the hole punch control PC board (HP).

• Code: EF22
• Description: Hole Punch Unit paper leading edge detection abnormality
• Remedy: Is there any paper remaining on the paper transport path? Is it staying at the position shown below? YES Figure out the cause of the paper stopping (e.g. folding) and correct it. Then remove the paper. NO Are the paper position sensor (S6-1 and S6-2) and its wiring correct? NO Replace the sensor. Correct the wiring. YES Replace the hole punch control PC board (HP).