Error, fault and alarm codes of products - what each code means, its causes and what to do - read from the manufacturers’ manuals, with the manual page each answer comes from.
The fax machine detected a missing serial number or customized code. The manual's first action is: “Input the serial number (function code 80) or customized code (function code 74)”
Modem error indicates a defective main PCB. The manual's first action is: “Replace the main PCB.”
The LED array has abnormal light intensity. The manual's first action is: “Replace the CIS unit.”
Scan starting edge detection error indicates a problem with the scanning system. The manual's first action is: “Replace the white-level reference film.”
The LED array's light emission intensity has exceeded its upper limit. The manual's first action is: “Replace the CIS unit.”
The code B8 is not used. The manual lists no action for this code.
The document front sensor is defective. The manual's first action is: “Replace the control panel PCB.”
AC code indicates a defective CIS or main PCB. The manual's first action is: “Replace the CIS unit.”
"AB" displayed on the LCD during scanning test with test chart 027 The manual's first action is: “-”
The main PCB is defective. The manual's first action is: “Replace the main PCB.”
The main PCB is defective. The manual's first action is: “Replace the main PCB.”
A6 code indicates a white-level reference film or main PCB issue The manual's first action is: “Replace the white-level reference film.”
The CIS unit is defective. The manual's first action is: “Replace the CIS unit.”
The document rear sensor does not come ON during document pull-in operation. The manual's first action is: “Remove the jammed document.”
Document length exceeds scan limitation. The manual's first action is: “Remove the jammed document.”