KIP 970

• Code: E-0302, E-770
• Description: Process 1 Drum Motor Error
• Causes: 1. The signal from FPGA on PW13520 (00016: Drum Motor Status (K)) shows "H" for longer than 1 second. (“H”= abnormal condition is detected on motor driver IC) 2. Failed to receive Done Status from FPGA on PW13520 within 5 seconds since the “Drum Motor Slow Mode” Reverse Direction Command have been sent to the FPGA. 3. Failed to receive Done Status from FPGA on PW13520 within 15 seconds since the “Drum Motor Slow Mode” Forward Direction Command have been sent to the FPGA.
• Remedy: Error Mask Mode No. 00002 Drum Motor Error K Error Mask Mode No. 00102 Drum Motor Error C Error Mask Mode No. 00202 Drum Motor Error M Error Mask Mode No. 00302 Drum Motor Error Y Output Check Mode No. 00003 Drum Motor K Output Check Mode No. 00103 Drum Motor C Output Check Mode No. 00203 Drum Motor M Output Check Mode No. 00303 Drum Motor Y Check if relevant “Drum Motor” is possible to operate in Output Check Mode.
  1. In case the Item is Inoperative.
  1 The operation “Main Switch Off/On on10 minutes later” recovers the error condition. Yes Go to Case 2 Wiring Harness 2 Unplugging J207 (Drum Motor-Y) J206 (Drum Motor-C) J205 (Drum Motor-M) J204 (Drum Motor-K) on PW13520 recovers the error condition. Yes Check the motor harness damage. D Motor K (M2-1) D Motor C (M2-2) D Motor M (M2-3) D Motor Y (M2-4) 3 Replacing Drum Motor recovers the error condition. Yes OK Main Control PCB (PW13520) 4 Replacing PW13520 PCB recovers the error condition. Yes OK
  2. In case the Item is Operative.
  1 Several test prints reproduces the error again No OK D Motor K (M2-1) D Motor C (M2-2) D Motor M (M2-3) D Motor Y (M2-4) 2 Replacing Drum Motor recovers the error condition. Yes OK Main Control PCB (PW13520) 3 Replacing PW13520 PCB recovers the error condition. Yes OK

• Code: E-0304, E-772
• Description: Process 1 Transfer Roller Set Motor Error
• Causes: The signal (00507: Tr1 RollerSet Sen:K) does not show set status (H to L) or released status (L to H) within 10 seconds since (00508: Tr1 SeparateMotor K) starts operating.
• Remedy: Error Mask Mode No. 00010 Tr1 Set MT Error K Error Mask Mode No. 00110 Tr1 Set MT Error C Error Mask Mode No. 00210 Tr1 Set MT Error M Error Mask Mode No. 00310 Tr1 Set MT Error Y Output Check Mode No. 00508 Tr1 Separate Motor K Output Check Mode No. 00509 Tr1 Separate Motor C Output Check Mode No. 00510 Tr1 Separate Motor M Output Check Mode No. 00511 Tr1 Separate Motor Y Input Check Mode No. 00507 Tr1 RollerSet Sen:K Input Check Mode No. 00508 Tr1 RollerSet Sen:C Input Check Mode No. 00509 Tr1 RollerSet Sen:M Input Check Mode No. 00510 Tr1 RollerSet Sen:Y Check if relevant “Transfer Roller Set Motor” is possible to operate in Output Check Mode.
  1. In case the Item is Inoperative.
  Wiring Harness for Motors 1 Any of following connectors is unplugged. J568 on PW13555, J1009 on Belt Unit, J1011 on Set Motor K, J1012 on Set Motor C, J1017 on Set Motor M, J1018 on Set Motor Y. Yes Plug the Connector. 1Tr Set Motor SetMotor 1 (M7-1) SetMotor 2 (M7-2) SetMotor 3 (M7-3) SetMotor 4 (M7-4) 2 Replacing relevant Tr1 Set Motor (M7-x) recovers the error condition. Yes OK PW13555 3 Replacing PW13555 PCB recovers the error condition. Yes OK Main Control PCB (PW13520) 4 Replacing PW13520 PCB recovers the error condition. Yes OK
  2. In case the Item is Operative.
  Wiring Harness for Sensors 1 All of the following connectors are surely connected. J568 on PW13555, J1009 on Belt Unit, J1015 (K), J1016 (C), J1019 (M), J1020 (Y) No Plug the Connector. Transfer Roller Set Sensors Set Sen-K (PH59) Set Sen-C (PH60) Set Sen-M (PH85) Set Sen-Y (PH86) 2 Transfer Roller Set Sensor Signals are detected correctly. Sensor Status -Set status (H to L) -Released status (L to H) No Replace relevant Transfer Roller Set Sensor. PW13555 3 Replacing PW13555 PCB recovers the error condition. Yes OK Main Control PCB (PW13520) 4 Replacing PW13520 PCB recovers the error condition. Yes OK

• Code: E-0310, E-784
• Description: Out of Process 1 Developer Error
• Causes: 1. Developer Version Information from FPGA on PW13520 (Information 00003: Developer Ver K) shows “0” for longer than 1 second. 2. The signal from FPGA on PW13520 (00020: Dev Roller Status:K) does not change the status (no H/L Pulse) for longer than 1.62 seconds while activating the Developer Motor (00004: Dev Motor K).
• Remedy: Error Mask Mode No. 00003 Out Of Dev Error K Error Mask Mode No. 00103 Out Of Dev Error C Error Mask Mode No. 00203 Out Of Dev Error M Error Mask Mode No. 00303 Out Of Dev Error Y Output Check Mode No. 00004 Dev Motor K Output Check Mode No. 00104 Dev Motor C Output Check Mode No. 00204 Dev Motor M Output Check Mode No. 00304 Dev Motor Y Input Check Mode No. 00020 Dev Roller Status:K Input Check Mode No. 00120 Dev Roller Status:C Input Check Mode No. 00220 Dev Roller Status:M Input Check Mode No. 00320 Dev Roller Status:Y Check if relevant “Dev Motor” is possible to operate in Output Check Mode.
  1. In case the Item is Inoperative.
  Wiring Harness for Motors 1 Any of following connectors is unplugged. J209 on PW13520, J335 on LED HEAD UNIT, J240 on PW13522, J320 on Dev Unit, J322 on Dev Motor. J285 on Process Unit. Yes Plug the Connector. Developer Motor DevMotor K (M9-1) DevMotor C (M9-2) DevMotor M (M9-3) DevMotor Y (M9-4) 2 Replacing relevant Dev Motor (M9-x) recovers the error condition. Yes OK PW13522 3 Replacing PW13522 PCB recovers the error condition. Yes OK Main Control PCB (PW13520) 4 Replacing PW13520 PCB recovers the error condition. Yes OK
  2. In case the Item is Operative.
  Version Information 1 The Developer Ver Status in Information Mode shows “3”. Information Mode No. 00003 Developer Ver K No. 00004 Developer Ver C No. 00005 Developer Ver M No. 00006 Developer Ver Y No Check J286 on Process Unit. Wiring Harness for Sensors 2 All of the following connectors are surely connected. J240 on PW13522, J320 on Dev Unit, J245/J246 between PW13522 and PW13523, J230 on PW13523, J286 on Process Unit, J211 on PW13520. No Plug the Connector. Dev Roller Pulse Sensor DevRoll-K (PH93) DevRoll -C (PH94) DevRoll -M (PH95) DevRoll -Y (PH96) 3 Developer Roller Pulse Sensor detects pulse signals while Developer Motor is rotating. No Replace relevant Developer Roller Pulse Sensor. PW13522 4 Replacing PW13522 PCB recovers the error condition. Yes OK Main Control PCB (PW13520) 5 Replacing PW13520 PCB recovers the error condition. Yes OK

• Code: E-0320, E-800
• Description: Abnormal Output of Process 1 1st Charger
• Causes: The signal (00000: 1st Output Detect: K) shows "H" for longer than 20msec while activating the 1st charger (image corona) (00000: 1st DC K).
• Remedy: Error Mask Mode No. 00004 1st Charger Error K Error Mask Mode No. 00104 1st Charger Error C Error Mask Mode No. 00204 1st Charger Error M Error Mask Mode No. 00304 1st Charger Error Y <Note> Check 1st Charger functionality while Test Print as 1st Charger operation manually from Output Check Mode may create unrecoverable affect to image quality.
  Corona Wire 1 Is Corona Wire cut? Yes Clean and replace the wire. Corona Wire 2 Is Corona Wire Tension loosened? Yes Clean and replace the wire. High Voltage Lead 3 Is high voltage lead damaged? Yes Replace. HV Power Supply 4 Correct value is monitored on the HVPS Check Point. CP-11 to CP-12, CP-21 to CP-22. No Replace High Voltage Power Supply. PW13555 5 Replacing PW13555 PCB recovers the error condition. Yes OK Main Control PCB (PW13520) 6 Replacing PW13520 PCB recovers the error condition. Yes OK

• Code: E-0321, E-801
• Description: Abnormal Output of Process 1 Transfer Charger
• Causes: The signal from FPGA on PW13555 (00001: 1st Transfer Current Detect (K)) shows "H" for longer than 20msec while activating the 1st transfer (00001: TR1 K).
• Remedy: Error Mask Mode No. 00005 Tr1 Charger Error K Error Mask Mode No. 00105 Tr1 Charger Error C Error Mask Mode No. 00206 Tr1 Charger Error M Error Mask Mode No. 00306 Tr1 Charger Error Y <Note> Check Tr1 Charger functionality while Test Print as Tr1 Charger operation manually from Output Check Mode may create unrecoverable affect to image quality.
  Short-Circuit 1 Unplugging “TB 1Tr” Tub Connector recovers the Error condition. Yes Check Short-Circuit behind the Tub Connector. (Roller side) 2 Is anything like a spring of developer bias drops on the Belt and causing shortcircuit? Yes Remove it. (In case of the dropping of spring, relocate it correctly.) PW13555 3 Replacing PW13555 recovers the Error. Yes OK Main Control PCB (PW13520) 4 Replacing PW13520 PCB recovers the error condition. Yes OK

• Code: E-0322, E-802
• Description: Abnormal Output of Process 1 Separation Charger
• Causes: The signal from FPGA on PW13555 (00528: Separation Current Detect) which is made from (J573-24: SEP_DUTY) Signal shows "H" for longer than 20msec while activating the 2Tr Separation Charger (00514: Tr2 Sep AC).
• Remedy: Error Mask Mode No. 00702 Sep Charger Error <Note> Check Separation Charger functionality while Test Print as Separation Charger operation manually from Output Check Mode may create unrecoverable affect to image quality.
  Short-Circuit 1 Unplugging “TB SEP” Tub Connector recovers the Error condition. (PW13556) Yes Check Short-Circuit behind the Tub Connector. (Charger side) PW13556 2 Replacing PW13556 recovers the Error. Yes OK PW13555 3 Replacing PW13555 recovers the Error. Yes OK Main Control PCB (PW13520) 5 Can the problem be fixed by replacing the Main Control PCB? Yes OK