• Code: E531-0002
• Description: Stapler error
  When the stapler unit left the stapler home position but then failed to reach the stapler home position even though 400 ms elapsed since the stapler operation started. When the unit failed to reach the stapler home position within 400 ms even after operation in the reverse direction.
• Remedy: - Check the stapler unit connectors. - Replace the stapler unit. - Replace the finisher controller PCB.

• Code: E531-8001
• Description: Stapler error
  When the stapler fails to leave the stapler home position even though the stapler motor was driven for 0.5 sec.
• Remedy: Replace the stapler motor (M111) and stapler home position detection sensor (PI50).

• Code: E531-8002
• Description: Stapler error
  When the stapler fails to return to the stapler home position even though the stapler motor was driven for 0.5 sec.
• Remedy: Replace the stapler motor (M111) and stapler home position detection sensor (PI50).

• Code: E535-8001
• Description: Oscillation error
  When the stapler fails to leave the oscillation home position even though the oscillator motor was driven for 3 sec.
• Remedy: Replace the oscillator motor (M106) and oscillation home position sensor (PI105).

• Code: E535-8002
• Description: Oscillation error
  Occurs when the oscillation guide close switch fails to be set to ON even when the oscillator motor is run in the reverse direction for 1 sec.
• Remedy: Replace the oscillator motor (M106) and oscillation home position sensor (PI105).

• Code: E537-8001
• Description: Front alignment error
  When the alignment plate fails to leave the alignment plate back home position sensor position even though the alignment plate back motor was driven for 4 sec.
• Remedy: Replace the alignment plate back motor (M104) and alignment plate back home position sensor (PI107).

• Code: E537-8002
• Description: Front alignment error
  When the alignment plate fails to return to the alignment plate back home position sensor position even though the alignment plate back motor was driven for 4 sec.
• Remedy: Replace the alignment plate back motor (M104) and alignment plate back home position sensor (PI107).

• Code: E540-0001
• Description: Tray up/down error
  When the sheet level could not be detected even though the standard tray was operated
• Remedy: - Check the standard tray HP sensor connectors. - Check the standard tray clock sensor connectors. - Check the standard tray shift motor connectors. - Replace the standard tray HP sensor. - Replace the standard tray clock sensor. - Replace the standard tray shift motor. - Replace the finisher controller PCB.