• Code: 361.399
• Description: BITZ2 Initialize Fault The Bitz2 initialization error was detected. This is an error where the CPU is unable to access the memory and the register of the ASIC BITZ (image processing chip for C and K) that is installed on the MCU PWB.
• Remedy: Enter dc122 Fault History. Check whether an LPH-related Fail has occurred. Has any Chain No. 361 Fail occurred? Y↓ N→Replace the following parts in sequence: • LPH Cable Assembly • MCU PWB Go to the appropriate RAP.

• Code: 361.610
• Description: Bitz1 CONTIF Fault. An irregularity was detected in the Valid signal for Y or M color. The Valid signal, which is sent from the Controller to indicate the valid range of the fast scan, does not turn On at the given timing or turns On at an unscheduled timing. (This is a hidden failure. Data is only recorded in history.)
• Remedy: 1. Turn the power Off and On. 2. Check whether there is poor connection or foreign substances at the following connectors. • Between BP PWB and MCU PWB P/J451 • Between BP PWB J335 and I/P PWB P335 • Between BP PWB J309 and I/P PWB P309 If no problems are found, replace the following parts in sequence: • BP PWB • MCU PWB

• Code: 361.611
• Description: Bitz2 CONTIF Fault An irregularity was detected in the Valid signal for C or K color. The Valid signal, which is sent from the Controller to indicate the valid range of the fast scan, does not turn On at the given timing or turns On at an unscheduled timing. (This is a hidden failure. Data is only recorded in history.)
• Remedy: 1. Turn the power Off and On. 2. Check whether there is poor connection or foreign substances at the following connectors. • Between BP PWB and MCU PWB P/J451 • Between BP PWB J335 and I/P PWB P335 • Between BP PWB J309 and I/P PWB P309 If no problems are found, replace the following parts in sequence: • BP PWB • MCU PWB

• Code: 371.105
• Description: Reg Sensor On Jam (Tray2/3/4/5). The Reg Sensor does not turn On within the specified time after the Reg Clutch On after the Feed from the Tray has started.
• Remedy: Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • The Tray 2 Feed Roll, Retard Roll, and Nudger Roll for contamination, wear, and revolution failure (when the jam has occurred during Feed from Tray 2) • Each Takeaway Roll and Pinch Roll for contamination, wear, and revolution failure • Each Takeaway Roll Drive Gear for wear and damage • Use of paper out of spec (refer to Media and Tray Specifications). • The Reg Sensor for contamination, improper installation, and Actuator operation failure • The Reg Sensor for failure: dc330 Component Control [077-103] (PL 15.2) • The connection between the Reg Sensor P/J160 and the MD PWB P/J523 for open circuit, short circuit, and poor contact • The Main Drive Motor for revolution failure: dc330 Component Control [042-002] (PL 3.2) • The Tray 2 Feed/Lift Up Motor for revolution failure: dc330 Component Control [071-001] (PL 9.4) (when the jam has occurred during Feed from Tray 5) • The Takeaway Motor for revolution failure: dc330 Component Control [077-050] (PL 15.1) • The TM Takeaway Motor for revolution failure: dc330 Component Control [077-035] (PL 10.9) • The TM Takeaway Motor 2 for revolution failure): dc330 Component Control [077-037] (PL 10.9) If no problems are found, replace the following parts in sequence: • MD PWB • MCU PWB

• Code: 371.210
• Description: Tray 2 Lift Up Fault. Tray 2 Lift Up NG has occurred 3 times in a row.
• Remedy: Remove Tray 2. Turn the power On and enter the Diag mode. Turn On dc330 Component Control [071-001] (Tray 2 Feed/Lift Up Motor). Does the Tray 1 Feed/Lift Up Motor rotate? Y↓ N→Is the voltage between the MD PWB P/J520-9 (+) and the GND (-) +24VDC? Y↓ N→Go to +24VDC Power RAP. Turn the power Off, then measure the Tray 5 Feed/Lift Up Motor wire wound resistance. Remove the Rear Upper Cover, then measure the following resistances. • Between the MD PWB P/J528-B1 and the P/J528-B2 • Between the MD PWB P/J528-B3 and the P/J528-B4 Is the resistance approx. 4.0 Ohm for each? (At 25° C / 77° F) Y↓ N→Check the connection between the MD PWB P/J528 and the Tray 2 Feed/Lift Up Motor P/J268 for open circuit, short circuit, and poor contact. If there are no problems, replace the Tray 2 Feed/Lift Up Motor (PL 9.4). Measure the resistance between the MD PWB P/J528-B1/B2/B3/B4 and the Frame. Is the resistance infinite for all? Y↓ N→Check the wires of the pins with non-infinite resistance for peeled-off coatings and short circuits due to pinching. Replace the following parts in sequence: • MD PWB • MCU PWB Press the Stop button. Turn On dc330 Component Control [071-102] (Tray 2 Nudger Level Sensor). Use a sheet of paper, etc. to block/clear the light path to the Tray 2 Nudger Level Sensor. Does the display change between High/Low? Y↓ N→Use Permeable Sensor Failure RAP to check the Tray 1 Nudger Level Sensor. Press the Stop button and turn the power Off. Check the Tray Lift Up Gear for damage or the Tray Lift Up mechanism for mechanical load. If no problems are found, replace the following parts in sequence: • MD PWB • MCU PWB

• Code: 371.212
• Description: Tray 2 Paper Size Sensor Broken. Abnormal Analog voltage to Digital value from Tray 2 Size Sensor was detected.
• Remedy: Check the following: • Broken link and breakage at the bottom of the tray • The Actuator at the rear of the Tray for operation failure • The Tray 2 Paper Size Sensor for failure: dc140 Analog Monitor [071-200], dc330 Component Control [071-104] (PL 9.1) • The connection between the Tray 2 Paper Size Sensor P/J174 and the MCU PWB P/ J417 for open circuit, short circuit, and poor contact If no problems are found, replace the MCU PWB.

• Code: 371.940
• Description: Tray 5 Lift Up NG. After the Tray 5 Lift Up has started, the Tray 5 Nudger Level Sensor did not turn On within the specified time.
• Remedy: 1. Pull out and reinsert Tray 5 and check for improper loading of paper. 2. Enter dc122 Fault History. If this failure occurs frequently, go to RAP 371.210.

• Code: 372.101
• Description: Tray 3 Miss Feed. The Tray 3 Feed Out Sensor does not turn On within the specified time after the Feed from Tray 2 has started.
• Remedy: Remove the Rear Upper Cover and the Rear Cover. Check the connection between the MD PWB P592 and the Tray Module PWB P/J541 for open circuit, short circuit, and poor contact.
  Turn the power On and enter the Diag mode (Entering Service Diagnostics). Turn On dc330 Component Control [072-001] (Tray 3 Feed/Lift Up Motor). Does the Tray 3 Feed/Lift Up Motor rotate? Y↓ N→Is the voltage between the Tray Module PWB P/J541-10 (+) and the GND (-) +24VDC? Y↓ N→Go to +24VDC Power RAP. Turn the power Off, then measure the Tray 3 Feed/Lift Up Motor wire wound resistance. Check the resistance of the following. • Between the Tray Module PWB P/J550-1 and P/J550-2 • Between the Tray Module PWB P/J550-3 and P/J550-4 Is the resistance approx. 4.0 Ohm for each? (At 25° C / 77° F) Y↓ N→Check the connection between the Tray Module PWB P/J550 and the Tray 3 Feed/ Lift Up Motor P/J221 for open circuit, short circuit, and poor contact. If there are no problems, replace the Tray 3 Feed/Lift Up Motor (PL 10.3 Item 3). Measure the resistance between the Tray Module PWB P/J550-1/2/3/4 and the Frame. Is the resistance infinite for all? Y↓ N→Check the wires of the pins with non-infinite resistance for peeled-off coatings and short circuits due to pinching. Replace the following parts in sequence: • Tray Module PWB • MD PWB • MCU PWB Press the Stop button. Turn On dc330 Component Control [077-035] (TM Takeaway Motor). Does the TM Takeaway Motor rotate? Y↓ N→Is the voltage between the TM Takeaway Motor P/J224-2/5 (+) and the GND (-) +24VDC? Y↓ N→Go to +24VDC Power RAP. Turn the power Off, disconnect the TM Takeaway Motor connector P/J224. Measure the TM Takeaway Motor wire wound resistance. • Between the TM Takeaway Motor P/J224-2 and P/J224-1 • Between the TM Takeaway Motor P/J224-2 and P/J224-3 • Between the TM Takeaway Motor P/J224-5 and P/J224-4 • Between the TM Takeaway Motor P/J224-5 and P/J224-6 Is the resistance approx. 0.85 Ohm for each? (At 25° C / 77° F) Y↓ N→Replace the TM Takeaway Motor. Measure the resistance between the disconnected TM Takeaway Motor connectors P/ J224-1/3/4/6 and the Frame. Is the resistance infinite for all? Y↓ N→Check the wires of the pins with non-infinite resistance for peeled-off coatings and short circuits due to pinching. Check the connection between the Tray Module PWB P/J551 and the TM Takeaway Motor P/J224 for open circuit, short circuit, and poor contact. If no problems are found, replace the following parts in sequence: • Tray Module PWB • MD PWB • MCU PWB Press the Stop button and open the L/H Cover. Turn On DC330 [072-103] (Tray 3 Feed Out Sensor). Move the Actuator manually to block/clear the light path to the Tray 3 Feed Out Sensor. Does the display change between High/Low? Y↓ N→Use Transmissive Sensor RAP to check the Tray 3 Feed Out Sensor. Press the Stop button and turn the power Off. Check the following: • A paper transportation failure due to a foreign substance/burr on the paper path • The Feed Roll, Retard Roll, and Nudger Roll for contamination, wear, and revolution failure • The TM Takeaway Roll and Pinch Roll for contamination, wear, and revolution failure • The Feed Roll, Retard Roll, and Nudger Roll Drive Gears for wear and damage • The TM Takeaway Roll Drive Gear for wear and damage • Use of paper out of spec (refer to the Media and Tray Specifications) If no problems are found, replace the following parts in sequence: • Tray Module PWB • MD PWB • MCU PWB