• Code: 01-300
• Description: Front Door Open RAP 01-300 The front door has opened during machine operation.
• Remedy: Switch off the electricity to the machine, GP 14. Disconnect the power cord from the customer supply while performing tasks that do not need electricity. Electricity can cause death or injury. Moving parts can cause injury. Enter dC330, code 01-300 front door interlock. Press start, open and close the front door. The display changes. Y↓N→Go to Flag 2. +12V is available at P/J147 pin 4 on the main drive PWB. Y↓N→Go to Flag 2. +12V is available at P/J147 pin 3 on the main drive PWB. Y↓N→Go to Flag 2. +12V is available at P/J16 pin 3 on the LVPS. Y↓N→Go to the 01F +12V Distribution RAP. Repair the wiring or the connector pins between P/J16 and P/J147. Remove the main drive module, (32-55 ppm) or (65-87 ppm). Flag 2, check the continuity to the xerographic module CRUM at P/J147, between pins 3 and 4. If necessary check and repair the wiring between the main drive module and the xerographic CRUM. Go to Flag 1. +12V is available at P/J17, pin 5. Y↓N→Install a new LVPS and base module, PL 1.10 Item 3. Go to Flag 1. +12V is available at P/J17, pin 6. Y↓N→Check the switch S01-300 and associated wiring. Refer to: • GP 13 How to Check a Switch. • P/J17 LVPS and base module. • Wiring Harness Repairs. If necessary, install a new door interlock switch, PL 1.10 Item 7. Go to Flag 3. Measure the signal at P/J26 pin 6 on the IOT PWB. +3.3V is measured. Y↓N→Install a new LVPS and base module, PL 1.10 Item 3. Perform OF7 IOT PWB Diagnostics RAP before a new IOT PWB is installed, PL 1.10 Item 2. Check that the front door, PL 8.10 Item 10 closes correctly. If not, check the following: • The jam clearance latch, PL 8.20 Item 5. • (32-38 ppm) the xerographic module latch, PL 9.22 Item 7. • (45-87 ppm) the xerographic module latch, PL 9.20 Item 7. • (32-55 ppm) the fuser latch, PL 10.8 Item 5. • (65-87 ppm) the fuser latch, PL 10.10 Item 5. • The post fuser jam clearance latch, PL 10.15 Item 11. • The latch cam handle, PL 10.15 Item 14.

• Code: 01-305
• Description: Left Hand Door Open RAP 01-305 The left hand door has been opened during machine operation
• Remedy: NOTE: To access the left door interlock, remove the interlock cover, PL 7.30 Item 23. Enter dC330, code 01-305 left door interlock. Press Start, open and close the left hand door. The display changes. Y↓N→Go to Flag 1. Check the left hand door interlock, S01-305. Refer to: • GP 13, How to Check a Switch. • P/J7 on the IOT PWB. • 01D +3.3V Distribution RAP. • 01B 0V Distribution RAP • Install new components as necessary: – Left hand door interlock, PL 7.30 Item 3. Check that the left hand door closes correctly. If not, check the following: • Hinge pin, PL 7.30 Item 8, is located correctly. • Left hand door latch, part of the LH door, PL 7.30 Item 2. • Check that the interlock cover is not loose, PL 7.30 Item 23. If necessary push the cover towards the front and tighten the screws.

• Code: 02-309
• Description: UI Control Panel Button or Touch Screen RAP 02-309 The User Interface Button Test or the Touch Area Test failed during the UI Test.
• Remedy: Before a new user interface assembly is installed, identify the software level (GP 4). Check the compatibility of the software on the new user interface assembly. Install the software to meet the customer machine requirements. Use the Customer Administration Tool (CAT), GP 5. Perform the next steps: • Switch off the machine, then switch on the machine, GP 14. • Check the condition of CR12 and CR15 on the IOT PWB, OF7 IOT PWB Diagnostics RAP. • Enter dC305 UI test. Perform the Communications Self Test. • Check the harness connections between the user interface, PL 2.10 Item 3 and the image processing PWB, PL 3.10 Item 11. • Install new components as necessary: – User interface PWB, (32-55 ppm) PL 2.15 Item 7 or (65-87 ppm) PL 2.10 Item 6. – User interface touch screen, (32-55 ppm) PL 2.15 Item 6 or (65-87 ppm) PL 2.10 Item 5.

• Code: 02-320, 02-380
• Description: UI Communication Test RAP 02-320 The UI does not receive the requested data from the image processor within the correct time out period. 02-380 UI main controller communications test failed.
• Remedy: Perform the next steps: • Switch off the machine, then switch on the machine, GP 14. • Enter dC305 UI test. Perform the Communications Self Test. • Go to 03-310 Image Processing PWB to UI Errors RAP.

• Code: 02-390, 02-391, 02-704, 02-706
• Description: UI Software Error RAP 02-390 All of the configured services have not reached a stable state after five minutes from start. 02-391 All the services are not registered when the Image Processor / UI synchronization has occurred. 02-704 Application software checksum has failed. 02-706 UI VRAM failure.
• Remedy: Before a new user interface assembly is installed, identify the software level (GP 4). Check the compatibility of the software on the new user interface assembly. Install the software to meet the customer machine requirements. Use the Customer Administration Tool (CAT), GP 5. Perform the next steps: • Switch off the machine, then switch on the machine, GP 14. • Enter dC305 UI test. Perform the Application Checksum Verification Test. • Reload the UI software. Use the Customer Administration Tool (CAT), GP 5. • Install new components as necessary: – User interface PWB, (32-55 ppm) PL 2.15 Item 7 or (65-87 ppm) PL 2.10 Item 6.

• Code: 02-705, 02-707, 02-709, 02-712, 02-715
• Description: UI Failure RAP 02-705 The UI audio tones failed to operate. 02-707 Indicate a fault with a button on the UI control panel. 02-709 Indicate a fault with the touch screen on the UI. 02-712 UI LCD module test failed. 02-715 The LED control panel indicator test has failed.
• Remedy: Perform the next steps: • Switch off the machine, then switch on the machine, GP 14. • Enter dC305 UI test. Perform the relevant test. • Install new components as necessary: – User interface PWB, (32-55 ppm) PL 2.15 Item 7 or (65-87 ppm) PL 2.10 Item 6. – User interface touch screen, (32-55 ppm) PL 2.15 Item 6 or (65-87 ppm) PL 2.10 Item 5.

• Code: 03-300, 03-306, 03-461, 03-482, 03-805, 03-870
• Description: Image Processing PWB to IOT PWB Error RAP 03-300 The image processing PWB to IOT communications have failed. 03-306 The IOT PWB has received an inappropriate print command from the image processing PWB. 03-461 A speed mismatch has been detected between image processing PWB and IOT PWB, in the NVM settings. 03-482 The image processing PWB has failed to receive a +24V on signal from the IOT PWB. 03-805 The IOT PWB has received an un-recognized message from the image processing PWB. 03-870 The IOT PWB cannot be recognized by the Image processing PWB.
• Remedy: • If the fault occurs during a software upgrade, wait 15 minutes for the software programming operation to complete, before the next action. • Switch off the machine, then switch on the machine, GP 14. If the on/off switch fails to operate, go to the 03-374 Power Off Failure RAP. • Check the fault history file for other 03-xxx fault codes. If the 03-xxx fault codes occur randomly, the cause may be due to electrical noise. Go to OF10 intermittent Failure RAP.
  1. Switch off the machine, GP 14. Ensure all the connectors on the image processing PWB, (32-55 ppm) PL 3.20 Item 3 or (65-87 ppm) PL 3.10 Item 3 and the IOT PWB, PL 1.10 Item 2 are correctly and securely seated. Switch on the machine, GP 14. 2. If the fault was detected during a software upgrade, go to Flag 1. Check P/J107 on the image processing PWB. Re-load the software set, GP 4 Machine Software. 3. Perform OF7 IOT PWB Diagnostics RAP. 4. Go to Flag 2. Check the wiring, GP 7. If necessary, install a new image processing PWB module / LVPS / IOT PWB harness (32-55 ppm) PL 3.20 Item 14 or (65-87 ppm) PL 3.10 Item 14. 5. 03-461 Only: Go to the OF7 IOT PWB Diagnostics RAP. Check CR 27 for an indication of NVM Test Failure. 6. Install a new IOT PWB, PL 1.10 Item 2. Perform OF7 IOT PWB Diagnostics RAP before a new IOT PWB is installed. 7. Install a new image processing PWB, (32-55 ppm) PL 3.20 Item 3 or (65-87 ppm) PL 3.10 Item 3.

• Code: 03-310
• Description: Image Processing PWB to UI Error RAP 03-310 The image processing PWB cannot communicate with the UI within one minute of power-on or after three retries.
• Remedy: • Switch off the machine, then switch on the machine, GP 14. • Check the fault history file for other 03-xxx fault codes. If the 03-xxx fault codes occur randomly, the cause may be due to electrical noise. Go to OF10 intermittent Failure RAP.
  1. Ensure all the connectors on the PWBs that follow are correctly and securely seated: • Image processing PWB, (32-55 ppm) PL 3.20 Item 3 or (65-87 ppm) PL 3.10 Item 3. • Power distribution PWB, (32-55 ppm) PL 3.20 Item 5 or (65-87 ppm) PL 3.10 Item 5. • UI PWB, (32-55 ppm) PL 2.15 Item 7 or (65-87 ppm) PL 2.10 Item 6. 2. Go to Flag 1, Flag 2 and Flag 3. Check the wiring. If necessary, install a new image processing PWB module/UI harness, (32-55 ppm) PL 14.20 Item 9 or (65-87 ppm) PL 14.10 Item 9. 3. Go to Flag 1. Check the voltages. Refer to: • 01B 0V Distribution RAP. • 01D +3.3V Distribution RAP. • 01F +12V Distribution RAP. 4. Install new components as necessary: • Image processing PWB, (32-55 ppm) PL 3.20 Item 3 or (65-87 ppm) PL 3.10 Item 3. • User interface PWB, (32-55 ppm) PL 2.15 Item 7 or (65-87 ppm) PL 2.10 Item 6.