• Code: E450
• Description: LCF side cover open jam
• Causes: LCF side cover opening/ closing switch LCF board PFC board LGC board
• Remedy: LCF side cover opening/ closing switch • Is the switch working? (Perform the input check: FS-03-[F1]ON/[9]/[A]) • Connector check (CN7, CN70) • Harness check LCF board • Board check • Connector check (CN7, CN1) • Harness check PFC board • Board check • Connector check (CN452, CN459, J700, CN464) • Harness check LGC board • Board check • Connector check (CN323) • Harness check

• Code: E480
• Description: Bridge unit front cover open jam
• Causes: Bridge unit cover opening/ closing detection sensor LGC board
• Remedy: Bridge unit cover opening/ closing detection sensor • Is the sensor working? (Perform the input check: FS-03-[ALL]OFF/[7]/[B]) • Connector check (J607) • Harness check LGC board • Board check • Connector check (CN307) • Harness check

• Code: E490
• Description: Job separator cover open jam
• Causes: JSP cover switch LGC board
• Remedy: JSP cover switch • Is the JSP cover switch working? (Perform the input check: FS-03-[ALL]OFF[7]/[B]) • Connector check (CN260, CN261) • Harness check LGC board • Board check • Connector check (CN307, J607) • Harness check

• Code: E510
• Description: Paper not reaching the ADU entrance sensor jam
• Causes: Reverse sensor ADU entrance sensor Reverse motor LGC board PFC board ADU board Reverse roller Upper exit roller
• Remedy: Reverse sensor • Sensor check (Perform the input check: FS-03-[ALL]OFF/[9]/[D]) • Connector check (J703, CN421) • Harness check ADU entrance sensor • Sensor check (Perform the input check: FS-03-[ALL]OFF/[9]/[G]) • Connector check (J692, CN421) • Harness check Reverse motor • Motor check (Perform the output check: FS-03-121/171) • Connector check (CN301, J609, J611) • Harness check LGC board • Connector check (CN323, CN301) • Harness check • Board check PFC board • Board check • Connector check (CN450, CN452) • Harness check ADU board • Connector check (CN420, CN421, CN422, J689) • Harness check • Board check Reverse roller Roller check (attrition, deformation, deterioration) Upper exit roller Roller check (attrition, deformation, deterioration)

• Code: E520
• Description: Paper stopping in the ADU jam
• Causes: ADU entrance sensor ADU motor LGC board PFC board ADU board Rollers in the ADU Replace it if it is worn out. Pressure spring
• Remedy: ADU entrance sensor • Sensor check (Perform the input check: FS-03-[ALL]OFF/[9]/[H]) • Connector check (J693, CN421) • Harness check LGC board • Board check • Connector check (CN323) • Harness check PFC board • Board check • Connector check (CN450, CN452) • Harness check ADU board • Board check • Connector check (J689, CN420, CN421, CN422) • Harness check ADU motor • Motor check (Perform the output check: FS-03-110/160) • Connector check (J691, CN422) • Harness check • Bracket check

• Code: E550
• Description: Paper remaining jam on the transport path
• Causes: Feed or transport roller possibly causing multiple feeding Sensor in the jamming area Refer to the table below. LGC board
• Remedy: 1 Jamming transport path Open the cover of the unit/area whose picture is flashing on the control panel and remove any paper on the transport path. 2 Feed or transport roller possibly causing multiple feeding Check the feed roller. 3 Sensor in the jamming area • Sensor check (Refer to the table below) • Harness check • Connector check 4 LGC board • Harness check • Connector check • Board check Notes: If the jamRegistration area Jam access cover Registration sensor FS-03-[ALL]OFF/[9]/[A] Paper clinging detection sensor FS-03-[ALL]OFF/[9]/[E] Registration pass sensor FS-03-[ALL]OFF/[9]/[F] Feed sensor FS-03-[ALL]OFF/[9]/[B] Exit area Fuser cover Exit sensor FS-03-[ALL]OFF/[9]/[C] ADU ADU ADU entrance sensor FS-03-[ALL]OFF/[9]/[G] ADU exit sensor FS-03-[ALL]OFF/[9]/[H] Bypass feed unit Side cover 2nd drawer feed sensor FS-03-[F3]ON/[4]/[D] LCF LCF side cover LCF transport sensor FS-03-[F1]ON/[9]/[F] PFP PFP side cover PFP upper drawer feed sensor FS-03-[F3]ON/[0]/[C] PFP lower drawer feed sensor FS-03-[F3]ON/[0]/[D] Bridge unit Bridge unit Bridge unit transport sensor-1 (Entrance sensor) FS-03-[ALL]OFF/[0]/[A] Bridge unit transport sensor-2 (Exit sensor) FS-03-[ALL]OFF/[0]/[B] Finisher Finisher door Sensors in the finisher is occurring in the ADU, PFP, or LCF, check the board in each unit.
  

• Code: E551
• Description: Paper remaining jam on the transport path (when a service call occurs)
• Causes: Feed or transport roller possibly causing multiple feeding Sensor in the jamming area Refer to the table below. LGC board
• Remedy: 1 Jamming transport path Open the cover of the unit/area whose picture is flashing on the control panel and remove any paper on the transport path. 2 Sensor in the jamming area • Sensor check (Refer to the table below) • Harness check • Connector check 3 LGC board • Harness check • Connector check • Board check Notes: If the jam is occurring in the ADU, LCF or PFP, check the board in each unit.
  Registration area Jam access cover Registration sensor FS-03-[ALL]OFF/[9]/[A] Paper clinging detection sensor FS-03-[ALL]OFF/[9]/[E] Registration pass sensor FS-03-[ALL]OFF/[9]/[F] Feed sensor FS-03-[ALL]OFF/[9]/[B] Exit area Fuser cover Exit sensor FS-03-[ALL]OFF/[9]/[C] ADU ADU ADU entrance sensor FS-03-[ALL]OFF/[9]/[G] ADU exit sensor FS-03-[ALL]OFF/[9]/[H] Bypass feed unit Side cover 2nd drawer feed sensor FS-03-[F3]ON/[4]/[D] LCF LCF side cover LCF transport sensor FS-03-[F1]ON/[9]/[F] PFP PFP side cover PFP upper drawer feed sensor FS-03-[F3]ON/[0]/[C] PFP lower drawer feed sensor FS-03-[F3]ON/[0]/[D] Bridge unit Bridge unit Bridge unit transport sensor-1 (Entrance sensor) FS-03-[ALL]OFF/[0]/[A] Bridge unit transport sensor-2 (Exit sensor) FS-03-[ALL]OFF/[0]/[B] Finisher Finisher door Sensors in the finisher

• Code: E552
• Description: Paper remaining jam on the transport path (when the cover is closed)
• Causes: Feed or transport roller possibly causing multiple feeding Sensor in the jamming area Refer to the table below. LGC board
• Remedy: 1 Jamming transport path Open the cover of the unit/area whose picture is flashing on the control panel and remove any paper on the transport path. 2 Sensor in the jamming area • Sensor check (Refer to the table below) • Harness check • Connector check 3 LGC board • Harness check • Connector check • Board check Notes: If the jam is occurring in the ADU, LCF or PFP, check the board in each unit.
  Registration area Jam access cover Registration sensor FS-03-[ALL]OFF/[9]/[A] Paper clinging detection sensor FS-03-[ALL]OFF/[9]/[E] Registration pass sensor FS-03-[ALL]OFF/[9]/[F] Feed sensor FS-03-[ALL]OFF/[9]/[B] Exit area Fuser cover Exit sensor FS-03-[ALL]OFF/[9]/[C] ADU ADU ADU entrance sensor FS-03-[ALL]OFF/[9]/[G] ADU exit sensor FS-03-[ALL]OFF/[9]/[H] Bypass feed unit Side cover 2nd drawer feed sensor FS-03-[F3]ON/[4]/[D] LCF LCF side cover LCF transport sensor FS-03-[F1]ON/[9]/[F] PFP PFP side cover PFP upper drawer feed sensor FS-03-[F3]ON/[0]/[C] PFP lower drawer feed sensor FS-03-[F3]ON/[0]/[D] Bridge unit Bridge unit Bridge unit transport sensor-1 (Entrance sensor) FS-03-[ALL]OFF/[0]/[A] Bridge unit transport sensor-2 (Exit sensor) FS-03-[ALL]OFF/[0]/[B] Finisher Finisher door Sensors in the finisher