• Code: 03-395, 03-396, 03-852, 03-853
• Description: IOT PWB Fault RAP 03-395 The IOT has cycled without printing. 03-396 The photoreceptor is detected not turning while the laser is on. 03-852 IOT has detected that it is out of timers. 03-853 IOT has detected that it is nearly out of timers. Also use this RAP for fault code 06-350 ROS Laser Not Under Control
• Remedy: 1. Ensure all the P/Js on the IOT PWB, PL 1.10 Item 2 are correctly and securely connected. 2. 03-395 Only: This fault can be caused by a poor ground on the duplex tray or a paper path problem. Check the active fault list for an 08-XXX or 09-XXX. Go to the indicated RAP. 3. 03-395 Only: This fault can also be caused by a paper guide in a paper tray being set to the wrong paper size. Check the paper guide settings in the paper trays. 4. Perform the OF7 IOT PWB Diagnostics RAP. 5. Reload the software set, GP 4, Machine Software. NOTE: The supply harness is a flying lead that is a part of the LVPS and is not spared separately. 6. Go to Flag 1. Check the voltages. As necessary, refer to: • 01G +24V Distribution RAP. • 01F +12V Distribution RAP. • 01E +5V Distribution RAP. • 01D +3.3V Distribution RAP. • 01B 0V Distribution RAP. 7. As necessary, install new components: • Perform OF7 IOT PWB Diagnostics RAP before a new IOT PWB is installed, PL 1.10 Item 2. • LVPS and base module, PL 1.10 Item 3. 8. 03-396 Only: If necessary, go to the 04A Main Drive Motor and Photoreceptor Motor RAP. Perform the photoreceptor motor checkout.

• Code: 03-397
• Description: Main Motor Not Controlled RAP 03-397 The IOT software has detected that the main motor is not being controlled. The software that monitors the main motor and the photoreceptor motor was not reset within the expected time.
• Remedy: Ensure that the connectors that follow are securely connected: • IOT PWB, PL 1.10 Item 2. • LVPS and base module, PL 1.10 Item 3. • Main drive motor and PWB, (32-55 ppm) PL 4.15 Item 6 or (65-87 ppm) PL 4.10 Item 6. The fault is still present. Y↓N→Perform SCP 6 Final Actions. Go to Flag 1 and Flag 2. Check the wiring, GP 7. The wiring is good. Y↓N→Repair the wiring, GP 7. Go to Flag 1. Check the voltages at P/J16, pins 1 and 2 on the LVPS. The voltages are correct. Y↓N→As necessary, refer to: • 01B 0V Distribution RAP. • 01G +24V Distribution RAP. Go to Flag 2. Measure the voltage at P/J3 pin 3, on the IOT PWB. Enter dC330 code 04-010, Main Motor On. Stack the photoreceptor motor code, 09-010. The voltage changes from high to low and the main motor runs. Y↓N→Perform the OF7 IOT PWB Diagnostics RAP. If necessary, install new components: • IOT PWB, PL 1.10 Item 2. • Main drive motor and PWB, (32-55 ppm) PL 4.15 Item 6 or (65-87 ppm) PL 4.10 Item 6. Reload the software, GP 4, Machine Software. If necessary, install new components: • Perform the OF7 IOT Diagnostics RAP before installing a new IOT PWB, PL 1.10 Item 2. • Main drive motor and PWB, (32-55 ppm) PL 4.15 Item 6 or (65-87 ppm) PL 4.10 Item 6.

• Code: 03-401, 03-403
• Description: Fax Not Detected RAP 03-401 The embedded Fax PWB has not been detected or confirmed. 03-403 Extended Fax PWB has not been confirmed or detected.
• Remedy: Perform the following: • Check that the embedded FAX PWB has been installed, PL 20.10 Item 4. • Check that the Compact Flash is inserted correctly. • Go to 20G Embedded Fax Checkout. • Install a new embedded Fax PWB, PL 20.10 Item 4. Repeat the above checks for the extended Fax PWB, and if necessary, install a new extended Fax PWB, PL 20.10 Item 2.

• Code: 03-412
• Description: Foreign Device PWB Fault RAP 03-412 A foreign interface device was not detected at power on.
• Remedy: Use a foreign interface test tool (NASG/XCL only), PL 26.10 Item 22 to check the operation of the foreign interface device. If a foreign interface test tool is not available, perform the procedure that follows: Check the +3.3V LED on the foreign interface PWB. The LED is lit. Y↓N→Go to: • 01D +3.3V Distribution RAP. • 01B 0V Distribution RAP. Go to Flag 1. Check the harness. The harness is good. Y↓N→Perform the following as necessary: • Repair the harness. Refer to GP 7. • Install a new foreign interface harness, (32-55 ppm) PL 3.15 Item 5 or (65-87 ppm) PL 3.11 Item 4. NOTE: Do not attempt to repair the harness from PJ124 to the foreign device. While the foreign device is connected, go to Flag 2. Check the voltage at PJ124 pin 2. 0V is measured. Y↓N→Disconnect the foreign device. Install a temporary shorting link between pins 2 and 3 on P/J124. Check the voltage at PJ124 pin 2. 0V is measured. Y↓N→Install a new foreign interface PWB, (32-55 ppm) PL 3.15 Item 4 or (65-87 ppm) PL 3.11 Item 3. The foreign device is faulty. Disconnect the foreign device. Install a temporary shorting link between pins 1 and 3 on P/ J124. Check the display. Ensure the machine is now enabled to scan or print. The machine is enabled. Y↓N→Install new components as necessary: • Install a new foreign interface PWB, (32-55 ppm) PL 3.15 Item 4 or (65-87 ppm) PL 3.11 Item 3. • Image processing PWB, (32-55 ppm) PL 3.20 Item 3 or (65-87 ppm) PL 3.10 Item 3. The enable circuits are working correctly. Currently, signals used for billing, e.g. machine function, premium tray, etc. cannot be adequately measured with a standard meter. For a full description of the foreign interface connections at PJ124, refer to Foreign Interface Signal Descriptions. Foreign Interface Signal Descriptions NOTE: If a foreign interface vend adaptor, (32-55 ppm) PL 3.15 Item 8 or (65-87 ppm) PL 3.11 Item 8 is installed, the pin configuration at the output of the vend adaptor will differ from those described in Table 1 and shown. Refer to your technical specialist. Use Table 1 for a full description of the foreign interface connections at J124
  Table 1 Foreign Interface Signal Descriptions Pin Signal Notes
  1 Machine Enable Low when the foreign interface device is in credit. 2 Device Detected Low when the foreign interface device is detected. 3 0V OV to the device to supply pins 1 and 2. 4 Machine Function 0 Depends on the current machine function, refer to Table 2. 5 Machine Function 1 Depends on the current machine function, refer to Table 2. 6 Premium Tray Pulsed signal when fed paper is longer than 380mm or shorter than 200mm. Refer to Training & Info CD2. 7 Premium Selected Pulsed signal when Reduction/Enlarge or Multiple Image selected. This is set using the Tools menu. Refer to Training & Info CD2. 8 Copy Count Pulsed signal for each fed sheet. Not generated during job recovery. 9 Not used - 10 Copy Exit Pulsed signal for 100 - 140mS when sheet exits the fuser 11 0V Supply from the machine to the foreign interface device. 12 Not Ready Low when machine is not ready, e.g. warming up or fault. 13 Not used - 14 Not used - 15 Not used -
  Table 2 Machine function coding
  Job Machine Function 0 Machine Function 1 Notes
  Copy 1 1 Copy jobs Print 0 1 Print jobs and FAX printing (FAX in) FAX 1 0 Not enabled Scan 0 0 Not enabled

• Code: 03-415
• Description: Tray 5 Module Not Detected / Confirmed RAP 03-415 The IOT PWB has not detected the tray 5 module at startup, or has failed to detect the tray 5 module during printing.
• Remedy: Switch off the machine, GP 14. Go to Flag 1. Check that there is continuity between P/J12, pins 3 and 4. There is continuity. Y↓N→Perform the following: • Check the wiring between P/J12 and P/J501. Repair the wiring as necessary, GP 7. • Check the wiring between P/J501and P/J512 on the Tray 5 control PWB. Repair the wiring as necessary, GP 7. • Check the condition of P/J501, paying attention to the condition of the pins. Repair the wiring as necessary, GP 7. • Check the loop between pins 19 and 20 on P/J501. Repair the wiring as necessary, GP 7. Switch on the machine, GP 14. With P/J501 disconnected, check for +3.3V at P/J12, pin 3. Check for 0V at P/J12, pin 4. As necessary, perform the following: • Go to 01D +3.3V Distribution RAP. • Go to 01B 0V Distribution RAP. • Perform OF7 IOT PWB Diagnostics RAP before installing a new IOT PWB, PL 1.10 Item 2.

• Code: 05-300
• Description: DADH Open RAP 05-300 The DADH closed switch detects that the DADH is open during run.
• Remedy: NOTE: (32-55 ppm) To get access to the bulkhead connector, remove the user interface assembly, PL 2.15 Item 1. To get access to the DADH closed switch, remove the top cover, PL 14.20 Item 3, from the scanner module. To get access to the scanner PWB, remove the document glass, PL 14.20 Item 5 and the scanner PWB cover, PL 14.25 Item 1. NOTE: (65-87 ppm) To get access to the bulkhead connector, remove the user interface assembly, PL 2.10 Item 1. To get access to the DADH closed switch, remove the top cover, PL 14.10 Item 3, from the scanner module. To get access to the scanner PWB, remove the document glass, PL 14.10 Item 5 and the scanner PWB cover PL 14.16 Item 9. Enter dC330 code 05-300 to check the DADH closed switch, S05-300. Open and close the DADH. The display changes. Y↓N→Go to Flag 1. Check S05-300. References: • GP 13 How to Check a Switch. • P/J453 and the bulkhead connector. • 01D +3.3V Distribution RAP. • The 3.3V return in the 01B 0V Distribution RAP. Install new components as necessary: • DADH closed switch (32-55 ppm), PL 14.25 Item 6. • DADH closed switch (65-87 ppm), PL 14.16 Item 5. • Scanner PWB (32-55 ppm), PL 14.25 Item 4. • Scanner PWB (65-87 ppm), PL 14.16 Item 8. Perform the steps that follow. Install new components as necessary: • Check that S05-300 is installed correctly. • Check the DADH frame for distortion, go to ADJ 5.2. If the DADH frame is distorted, install a new DADH, PL 5.10 Item 9.

• Code: 05-305
• Description: DADH Top Cover Open RAP 05-305 The DADH top cover interlock switch detects that the top cover is open.
• Remedy: Enter dC330 code 05-305 to check the DADH top cover interlock switch, S05-305. Activate S05-305. The display changes. Y↓N→Go to Flag 1. Check S05-305. References: • GP 13 How to Check a Switch. • P/J187, DADH PWB. • 01G +24V Distribution RAP. • The 24V return in the 01B 0V Distribution RAP. Install new components as necessary: • DADH top cover interlock switch, PL 5.15 Item 11. • DADH PWB, PL 5.10 Item 5. Check that S05-305 is installed correctly. Install new components as necessary.

• Code: 05-310
• Description: Document too Short RAP 05-310 The DADH detects a document that is shorter than 110mm.
• Remedy: If the documents are longer than 110mm, go to the procedures that follow: • 05-330, 05-331 DADH Feed Sensor Failure RAP. • 05-335 DADH Takeaway Sensor Failure RAP. • 05-350, 05-352 DADH CVT Sensor Failure RAP. • 05-340 DADH Registration Sensor Failure RAP.