• Code: 0420
• Description: serial communication error between paper feeder and engine/high voltage PWB.
  • Communication ready signal time-out occurs continuously more than specified times in serial communication with an optional paper feeder that is recognized by the CPU on the engine/high voltage PWB. • Inconsistency of values in serial communication data occurs more than specified times.

• Code: 1210
• Description: duplexer slide guide home position detection error.
  • The duplexer drive PWB of the optional duplexer cannot detect the home position of the slide guide.

• Code: 2000
• Description: main motor error
  • The main motor ready signal (MOTRDYN) does not become ready (low level) a specified time after the main motor drive signal (MOTONN) is turned on. • The main motor ready signal (MOTRDYN) does not become ready (low level) a specified time after the main motor drive signal (MOTONN) is turned off.

• Code: 2610
• Description: paper feeder 1 feed motor error.
  • When the paper feeder drive PWB of the optional paper feeder 1 drives the feed motor, no proper clock pulse is input from the feed motor clock sensor.

• Code: 2620
• Description: paper feeder 2 feed motor error
  • When the paper feeder drive PWB of the optional paper feeder 2 drives the feed motor, no proper clock pulse is input from the feed motor clock sensor.

• Code: 2630
• Description: paper feeder 3 feed motor error
  • When the paper feeder drive PWB of the optional paper feeder 3 drives the feed motor, no proper clock pulse is input from

• Code: 2640
• Description: paper feeder 4 feed motor error
  • When the paper feeder drive PWB of the optional paper feeder 4 drives the feed motor, no proper clock pulse is input from the feed motor clock sensor.

• Code: 4000
• Description: polygon motor error
  • The polygon motor ready signal (MOTRDYN) does not become ready (L level) within a specified time after the polygon motor drive signal (POLONN) is turned on (L level).