• Code: 70, 71
• Description: Cannot detect the ON/ OFF state of cap lift cam switch
• Causes:
• Remedy: Cap lift cam switch defective Replace the maintenance unit. ASF encoder sensor defective Replace the ASF motor ASSY. ASF motor defective Main PCB defective Replace the main PCB.

• Code: 72
• Description: Cannot detect the origin of the cap lift cam.
• Causes:
• Remedy: Cap lift cam switch defective Replace the maintenance unit. ASF encoder sensor defective Replace the ASF motor ASSY. ASF motor defective Main PCB defective Replace the main PCB.

• Code: 73
• Description: Fails to switch the cap lift cam positions.
• Causes:
• Remedy: Cap lift cam switch defective Replace the maintenance unit. ASF encoder sensor defective Replace the ASF motor ASSY. ASF motor defective Main PCB defective Replace the main PCB.

• Code: 7A
• Description: Abnormal stop of cap lift cam.
• Causes:
• Remedy: Foreign materials in the head capping mechanism Remove foreign materials and clean the mechanism. ASF encoder sensor defective Replace the ASF motor ASSY. ASF motor defective Cap lift cam switch defective Replace the maintenance unit. Main PCB defective Replace the main PCB.

• Code: 7D
• Description: Current protection for the driver IC activated when the cap lift cam was being driven.
• Causes:
• Remedy: Foreign materials in the head capping mechanism. Remove foreign materials and clean the mechanism. ASF encoder sensor defective Replace the ASF motor ASSY. ASF motor defective Cap lift cam switch defective Replace the maintenance unit. Main PCB defective Replace the main PCB.

• Code: 7E
• Description: No head parameters stored in the EEPROM. (This code may appear only in the maintenance mode.)
• Causes:
• Remedy: No head property data has been entered Enter the head property data. Main PCB defective Replace the main PCB.

• Code: 80
• Description: At the start of FAX message printing, the controller detects that paper is smaller than A4 size in width.
• Causes:
• Remedy: Paper smaller than the specified size loaded in the paper tray Load the correct size of paper. Paper width sensor (media sensor) not adjusted Adjust the margin for borderless printing with Function code 66 in the maintenance mode. Paper width sensor defective Replace the carriage PCB ASSY. Main PCB defective Replace the main PCB.

• Code: 81
• Description: In printing except FAX and list printing, the controller detects that paper is smaller than the specified size in width.
• Causes:
• Remedy: Paper smaller than the specified size loaded in the paper tray - Load the correct size of paper. - Press the Color Start or Black Start key. Paper width sensor not adjusted Adjust the margin for borderless printing with Function code 66 in the maintenance mode. Paper width sensor defective Replace the carriage PCB ASSY. Main PCB defective Replace the main PCB.