• Code: E90-01
• Description: AADU stand abnormality
  DU drive serial input error 1. Serial data from ADUDB (ADU drive board) (ID=0) cannot be received from ACK within 0.5 second when SW2 (sub power) turns ON.
• Causes: ADUDB (ADU drive board)

• Code: E90-02
• Description: AADU stand abnormality
  ADU drive serial input error 2. Serial data from ADUDB (ADU drive board) (ID=7) cannot be received from ACK within 0.5 second when SW2 (sub power) turns ON.
• Causes: ADUDB (ADU drive board)

• Code: F-77-15
• Description: FN-112/6/ 121/10/115 abnormality
  M1 (FNS conveyance) does not reach the prescribed speed within the specified time after the start of its operation.
• Causes: FNS CB (FNS control board) M1(FNS conveyance)

• Code: F13-01
• Description: Drive
  Error detection signal is detected continuously for one second when two seconds have passed since M1 (paper feed) has turned ON.
• Causes: M1 (paper feed) PRCB (printer control board)

• Code: F13-02
• Description: Drive
  Error detection signal is detected continuously for one second when two seconds have passed since M101 (LT paper feed) has turned ON.
• Causes: M101 (LT paper feed) LTDB (LT drive board)

• Code: F18-10
• Description: Tray 1
  Error detection signal for M16 (tray up drive /1) is detected while M16 is turned ON.
• Causes: M16 (tray up drive /1) PRCB (printer control board) PS2 (tray upper limit/1)

• Code: F18-11
• Description: Tray 1
  PS2 (tray upper limit/1) does not turn ON within 20 seconds (Di551/Di650)/ 36 seconds (Di5510/Di7210) since the lifting motion triggered by activating M16 (tray up drive /1) has started while PS2 is turned OFF.
• Causes: M16 (tray up drive /1) PRCB (printer control board) PS2 (tray upper limit/1)

• Code: F18-20
• Description: Tray 2
  Error detection signal for M17 (tray up drive /2) is detected while M17 is turned ON.
• Causes: M17 (tray up drive /2) PRCB (printer control board) PS8 (tray upper limit/2)