• Code: E054
• Description: The duplex feed roller drive mechanism of the duplex unit is faulty.
  • The duplex driver PCB detects that the horizontal registration guide exceeded its maximum travel distance after the detection of the horizontal registration guide home position has started.
• Remedy: Duplex feed roller 1 home position sensor lever 1) Is the duplex feed roller 1 home position sensor lever damaged? YES: Replace the lever. Duplex feed roller gear 2) Is the duplex feed roller gear worn or chipped? YES: Replace the worn/chipped gear. Duplex driver PCB 3) Are connectors J2003, J2004, and J2007 on the duplex driver PCB connected securely? NO: Connect them securely. Duplex feed roller 1 home position sensor 4) Try replacing the duplex feed roller 1 home potion sensor. Is the problem corrected? YES: End. Duplex feed clutch 5) Disconnect connector J2003 of the duplex feed clutch, and measure the resistance between connectors J2003-1 and J2003-2 on the harness side. Is it about 140 Ohm Duplex motor, Duplex motor driver PCB 6) Try replacing the duplex motor. Is the problem corrected? NO: Replace the duplex driver PCB.

• Code: E055
• Description: The horizontal registration guide drive mechanism of the duplex unit is faulty.
  • The duplex driver PCB detects that the horizontal registration guide exceeded its maximum travel distance after the detection of the horizontal registration guide home position has started.
• Remedy: Horizontal registration guide 1) Is the horizontal registration guide mounted correctly? NO: Mount it correctly. Horizontal registration guide home position sensor lever 2) Is the horizontal registration guide home position sensor lever damaged? YES: Replace the lever. Horizontal registration guide drive gear 3) Is the horizontal registration guide drive gear worn/chipped? YES: Replace the worn/chipped gear. Duplex driver PCB 4) Are connectors J2006 and J2005 on the duplex driver PCB connected securely? NO: Connect them securely. Horizontal registration guide home position sensor 5) Try replacing the horizontal registration guide home position. Is the problem corrected? YES: Replace the sensor. Horizontal registration motor, Duplex drive motor PCB 6) Try replacing the horizontal registration motor. Is the problem corrected? YES: End. NO: Replace the duplex driver PCB.

• Code: E100
• Description: The BD of the scanner unit is faulty.
  • The scanner motor fails to reach a specific revolution within 10 sec after it has started to rotate. • The BD PCB detects an error for 2.5 sec or more after the scanner motor has started to rotate at a specific speed.
• Remedy: Condensation 1) Leave the machine alone for 10 to 20 min. Is the problem corrected? YES: End. BD signal line connector 2) Are connector J6 on the BD PCB and connector J206 on the DC controller PCB connected securely? NO: Connect them securely. Laser driver signal line connector 3) Are connector J1001 on the laser driver PCB and connector J202 on the DC controller PCB connected securely? NO: Connect the connectors securely. Laser scanner assembly, DC controller PCB 4) Try replacing the laser scanner assembly. Is the problem corrected? YES: End. NO: Replace the DC controller PCB.

• Code: E102
• Description: The laser is faulty.
  • The intensity of the laser fails to reach a specific level.
• Remedy: Condensation 1) Leave the machine alone for 10 to 20 min. Is the problem corrected? YES: End. BD signal line connector 2) Are connector J6 on the BD PCB and connector J206 on the DC controller PCB connected securely? NO: Connect them securely. Laser driver signal line connector 3) Are connector J1001 on the laser driver PCB and connector J202 on the DC controller PCB connected securely? NO: Connect the connectors securely. Laser scanner assembly, DC controller PCB 4) Try replacing the laser scanner assembly. Is the problem corrected? YES: End. NO: Replace the DC controller PCB.

• Code: E110
• Description: The laser scanner motor is faulty.
  • The scanner motor fails to reach a specific revolution within 10 sec after it has started to rotate. • The BD PCB detects an error for 2.5 sec or more after the scanner motor has started to rotate at a specific revolution.
• Remedy: Scanner motor drive line 1) Are connector J1 on the scanner driver PCB, relay connector J18, and connector J207 on the DC controller PCB connected securely? Scanner motor driver, DC controller PCB 2) Can the scanner motor be rotated using a printer driver checker? NO: Replace the laser scanner. YES: Replace the DC controller PCB.

• Code: E202
• Description: The scanner home position cannot be detected. • The original scanner home position sensor (PS101) is faulty. • The original scanner motor (PM1)/ original scanner motor driver PCB is faulty.
  • The scanner fails to return to the home position after it has started to operate.
• Remedy: 1) When E202 is indicated, is the scanner at home position? NO: See “The scanner fails to move forward/in reverse?” Original scanner home position sensor (PS1) 2) When the scanner is over PS1, is a 5-VDC output present at J117B- 8 on the reader controller PCB? NO: Check the wiring from the reader controller PCB to PS1; if normal, replace PS1. Wiring 3) Check the wiring from J113 of the reader controller PCB to J303/ 302 on the original scanner motor driver PCB. Is there a fault? YES: Correct the wiring. Original scanner motor driver PCB 4) Try replacing the original scanner motor driver PCB. Is the problem corrected? YES: End. Original scanner motor (PM1), Reader controller PCB 5) Try replacing the original scanner motor (PM1). Is the problem corrected? YES: End. NO: Replace the reader controller PCB.

• Code: E203
• Description: The original scanner motor driver PCB or the original scanner motor is faulty.
  • The original scanner home position is detected during a "back scan" in which the original scanner need not return to its home position. • The original scanner goes out of synch during a "back scan" in which it returns to its home position.
• Remedy: 1) When E203 is indicated, does the scanner move? NO: See “The scanner fails to move forward/in reverse. Original scanner motor driver PCB, Original scanner motor 1) When the scanner starts to move forward, do the voltage between J303-B1 (RST) and J303-B4 (GND) of the original scanner motor driver PCB and between J303-B2 (MOVE*) and J303-B4 (GND) change from 5 to 0 V? YES: Try replacing the original scanner motor driver PCB. If the problem is not corrected, replace the original scanner motor. NO: Replace the reader controller PCB.

• Code: E211
• Description: The scanning lamp (fluorescent lamp) thermistor has an open circuit.
  • At a 0°C or lower condition, the temperature fails to reach 10°C after supplying the scanning lamp heater with power for 2 min.
• Remedy: 1) Disconnect connector J115 of the reader controller PCB, and measure the resistance between connectors J115-5 (GND) and J115-6 (FL-THE) on the harness side. Is it 10 W or less or 100k W or more? NO: The reader controller PCB is faulty. Go to step 4). YES: Go to step 2). Lamp heater 2) Disconnect connector J2039 of the lamp heater, and measure the resistance between connectors J2039-2 (GND) and J2039-3 (FLTHE) of the lamp heater. Is the resistance 100 W or less or 100k W or more? YES: Replace the lamp heater. Flat cable and connector (poor contact) 3) Are connectors J115 of the reader controller PCB, connectors J2037 and J2035 of the flat cable, and connector J2039 of the lamp heater connected securely? NO: Connect them securely. Reader controller PCB 4) When the machine is turned on, is the voltage between HJ122-1 (GNDU) and J122-2 (+38 V) on the harness side of the connector of the reader controller PCB 38 V? NO: See “The reader unit DC power supply is absent.” YES: Replace the reader controller PCB.