(The head is not connected.)
E151 The thermistor of the head is open-circuited.
E152 The thermistor of the head is short-circuited.
E153 The trimmer resistance of the head is open-circuited.
E154 The trimmer resistance of the head is short-circuited.
E155 The trimmer resistance of the head is out of specifications.
E156 When a specific voltage is applied to the head, the voltage of the
head is not changed within a specific time.
E157 The voltage of the head is out of the specifications.
E160 The temperature of the head does not reach a specific temperature
within a specific time.
E161 The temperature of the head exceeds a specific temperature.
E170 When the pulse motor for the head scan is driven, it cannot be
detected by a sensor within a specific time.
E171 The motor is not connected to the pulse motor driver PCB for the head scan.
E172 The gate array employed to drive the pulse motor for head scan is faulty.
E180 The motor is not connected to the vertical scanning pulse motor driver PCB.
E181 The gate array employed to drive the vertical scanning pulse motor is faulty.
E182 After the vertical scanning motor is driven, the phase sensor cannot be
detected within a specific time.
E183 After the registration roller cam clutch 2 is turned ON, a given
paper size cannot be detected within a specific time.
E190 RAM directly connected to CPU is faulty.
E191 An error occurs in the communication with the microcomputer (D/A
converter) for high voltage use.
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