Causes: 2068 1 The black ink circulation pump is not connected or there is a problem with it. 2068 2 The cyan ink circulation pump is not connected or there is a problem with it. 2068 3 The magenta ink circulation pump is not connected or there is a problem with it. 2068 4 The yellow ink circulation pump is not connected or there is a problem with it. 2078 1 There is a control problem with the black ink circulation pump. 2078 2 There is a control problem with the cyan ink circulation pump. 2078 3 There is a control problem with the magenta ink circulation pump. 2078 4 There is a control problem with the yellow ink circulation pump.
Remedy: Turn OFF the printer. (Turn OFF the printer through sub power key.)
Code: S37
Description: Belt profile input error
Causes: 11 40 Incorrect numbers were entered for nos. 1–3 during belt profile data input in test mode. 11 41 Incorrect numbers were entered for nos. 4–6 during belt profile data input in test mode. 11 42 Incorrect numbers were entered for nos. 7–9 during belt profile data input in test mode. 11 43 Incorrect numbers were entered for nos. 10–12 during belt profile data input in test mode.
Remedy: Turn OFF the printer. (Turn OFF the printer through sub power key.)
Code: S39
Description: Head thermistor temperature-reading error
Causes: 2164 1 The head temperature thermistor on the KC head control PCB may be disconnected, or there may be a poor connection. 2164 2 The head temperature thermistor on the MY head control PCB may be disconnected, or there may be a poor connection.
Remedy: Turn OFF the printer. (Turn OFF the printer through sub power key.)
Code: S40
Description: BP Belt encoder data receive error
Causes: 11 53 The BP belt encoder count was not correctly received.
Remedy: Turn OFF the printer. (Turn OFF the printer through sub power key.)
Code: S90
Description: Machine information set error
Causes: 1813 The combination of values that the user is attempting to enter (specification information, model class, and printing information) are not valid as machine information.
Remedy: Press the <Close> button
Code: S91
Description: Software error 2
Causes: 0035 During communication for initialization immediately after the printer was turned ON, device control information (including machine code) was not sent from the engine to the PMS in time.
Remedy: Turn OFF the printer. (Turn OFF the printer through sub power key.)