Epson 4880 C Service Manual
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EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 181SERVICE REQ. 00010007† Error meaning: CR Motor in-position time-out † Explanation At Carriage Unit stop processing in CR Motor control, there may be a case where the Carriage Unit can not move to the final target position within a specified period of time (as per pulse detection). In such a case, this message is displayed and the printer stops operating. † Cause of trouble There are pulses smaller than out-of-step pulse remaining without completing paper feed. † Points to be checked 1. CR Scale is not removed from CR Encoder Sensor. 2. The CR Encoder Sensor and the CR Scale must be free from dust and dirt or any other foreign matters. 3. Execute encoder checking by the 1.4.6.1 Self Testing Menu (SELF TESTING)(p.91) in Maintenance Mode 2. 4. The CR Timing Belt must be free from any defects and the belt must be in proper tension. 5. The Carriage Unit must slide smoothly, free from undue load. 6. Measure the resistance value of the CR Motor. (19.3 ± 10% [Ω]) 7. All the harness must be connected properly and free from short circuit or broken wire. † Remedy 1. Check to see if the CR Scale for detection of the encoder pulse is removed. 2. Check for dirt, paper dust or damage to the CR Scale. 3. Perform the CR Timing Belt Tension Adjustment (p.376) 4. Replace the CR Encoder Sensor (p.280) 5. Replace the CR_HP Sensor (p.276) 6. Replace the Motor Assy., CR (p.270) 7. Replace the C593 MAIN Board (p.226) SERVICE REQ. 00010008† Error meaning: Servo interrupt watchdog time-out † Explanation During the CR Motor or PF Motor operation, there may be a case where watch dog time-out is detected in the DC motor control circuit or on the ASIC. In such a case, this message is displayed and the printer stops operating. † Remedy Since the cause is deemed to be a defective CPU or ASIC, replace the C593 MAIN Board (p.226). SERVICE REQ. 00010009† Error meaning: System interrupt watchdog time-out † Explanation In the data processing stage on the BOARD ASSY., MAIN, there may be a case where runaway or defective cash occurs on CPU or ASIC. In such a case, this message is displayed and the printer stops operating. † Remedy If not cleared by turning the power OFF and back ON, the CPU or ASIC is deemed defective, so replace the C593 MAIN Board (p.226).
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 182SERVICE REQ. 0001000A† Error meaning: CR home position sensor error † Explanation During initial operation at power on or during printing operation, there may be a case where the home position can not be detected at the home position detection timing or within a specified period of time. In such a case, this message is displayed and the printer stops operating. † Points to be checked 1. Check if the CR_HP Sensor is free from adhesion of any foreign matters. 2. Execute CR_HP Sensor checking by the 1.4.6.1 Self Testing Menu (SELF TESTING)(p.91) in Maintenance Mode 2. † Remedy 1. Check for dirt, paper dust or damage to the CR_HP Sensor. 2. Replace the CR_HP Sensor (p.276) 3. Replace the C593 MAIN Board (p.226) SERVICE REQ. 0001000C† Error meaning: PG phase sensor error † Explanation During initial operation at power on or during platen gap fluctuation (change) operation after paper setting, there may be a case where the PG home position can not be detected. In such a case, this message is displayed and the printer stops operating. † Cause of trouble„ Disconnected connector for the PG Phase Sensor. „ Disconnected connector for the PG Motor. „ Broken wire for the PG Motor. „ Defective PG Phase Sensor. „ Defective PG Motor. „ Damage to wheel linkage of PG drive gears „ Power supply fuse for PG/PO Motor driver is broken on the MAIN Board. † Points to be checked 1. Check that the PG Phase Sensor and the PG drive gears are free from obstruction by adhesion of foreign matters or soiling. 2. Measure the resistance value of the PG Motor. (7.0 ± 10% [Ω]) If the PG Motor is found in short mode, replace the BOARD ASSY., MAIN at the same time. 3. All the harness must be connected properly and free from short circuit or broken wire. 4. There should be no damage to wheel linkage such as between PG Motor pinion gear and PG drive gears. † Remedy 1. Connect PG Phase Sensor or PG Motor connector correctly. 2. Replace the PG Phase Sensor (p.278) 3. Replace the Motor Assy., PG (p.274) 4. Replace the C593 MAIN Board (p.226) If the above steps do not result in recovery, this message will be displayed due to malfunctioning CR system (CR Encoder Sensor/CR Motor, etc.), so check by widening the range of investigation.
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 183SERVICE REQ. 0001000F† Error meaning: CR Motor PWM output faulty † Explanation There may be a case where a current exceeding the specified value flows during CR Motor operation. In such a case, this message is displayed and the printer stops operating. This error can be displayed in the following case: an abnormal load which does not reach the level causing an out-of-step phenomenon 00010005 in the carriage drive system has occurred and the running speed of the motor has been detected to be too low (by the encoder), so that the current is increased to raise the running speed of the motor. Thus, this message appears to prevent the CR Motor from being overheated. † Remedy / Points to be checked 1. Check the load on the CR Motor. •Running load of CR Motor (check by manual operation)•Measure the resistance value of the CR Motor. (19.3 ± 10% [Ω]) If the CR Motor is found in short mode, replace the BOARD ASSY., MAIN at the same time.•Damage to or wear in the CR Driven Pulley•Damaged or worn bearing of the Carriage Unit•Flaws in the CR Rail caused by roller running•Tension of the CR timing belt 2. Replace the Motor Assy., CR (p.270) If the CR Motor is found in short mode, replace the C593 MAIN Board at the same time. 3. Replace the C593 MAIN Board (p.226) SERVICE REQ. 00010010† Error meaning: PF Motor PWM output faulty † Explanation There may be a case where a current exceeding the specified value flows during PF Motor operation. In such a case, this message is displayed and the printer stops operating. This error can be displayed in the following case: an abnormal load which does not reach the level causing an out-of-step phenomenon 00010001 in the paper feed drive system has occurred and the running speed of the motor has been detected to be too low (by the encoder), so that the current is increased to raise the running speed of the motor. Thus, this message appears to prevent the PF Motor from being overheated. † Remedy / Points to be checked 1. Check the load on the PF Motor. •Measure the resistance value of the PF Motor. (17.9 ± 15% [Ω]) If the PF Motor is found in short mode, replace the BOARD ASSY., MAIN Board at the same time.•Running load of PF Motor (check by manual operation)•Rotation load of PF Roller 2. Replace the Motor Assy., PF (p.349) 3. Replace the C593 MAIN Board (p.226)
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 184SERVICE REQ. 00010012† Error meaning: CR overload (high sensitivity) error † Explanation PWM has been being output for a certain period of time. This can be made when load on the CR Motor is slightly increased. † Remedy / Points to be checked 1. Check the load on the CR Motor. •Running load of CR Motor (check by manual operation)•Measure the resistance value of the PF Motor. If the CR Motor is found in short mode, replace the BOARD ASSY., MAIN at the same time.•Damage to or wear in the CR Driven Pulley•Damaged or worn bearing of the Carriage Unit•Flaws in the CR Rail caused by roller running•Tension of the CR timing belt 2. Replace the Motor Assy., CR (p.270) 3. Replace the C593 MAIN Board (p.226) SERVICE REQ. 00010013† Error meaning: PF overload (high sensitivity) error † Explanation PWM has been being output for a certain period of time. This can be made when load on the PF Motor is slightly increased. † Remedy / Points to be checked 1. Check the load on the PF Motor. •Measure the resistance value of the PF Motor. If the PF Motor is found in short mode, replace the BOARD ASSY., MAIN at the same time.•Running load of PF Motor (check by manual operation)•Rotation load of PF Motor 2. Replace the Motor Assy., PF (p.349) 3. Replace the C593 MAIN Board (p.226)
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 185SERVICE REQ. 0001001B† Error meaning: Head driver (TG) temperature error † Explanation During printing operation (empty jetting of ink), there may be a case where the temperature inside the Print Head has risen above the specified value and the thermistor in the Print Head detects it as abnormal temperature. In such a case, this message is displayed and the printer stops operating. † Cause of trouble„ Print Heat increase due to empty jetting of ink „ Faulty contact of Head FFC, broken Head FFC or disconnected Head FFC. „ Print Head broken down. † Remedy 1. Turn off the power to the printer once and turn it on again and check for recovery. 2. If the same error occurs immediately, replace the Printhead (p.285) SERVICE REQ. 0001001D† Error meaning: CR servo parameter error † Explanation There may be a case where a voltage exceeding the specified value is about to be applied to the CR Motor. In such a case, this message is displayed and the printer stops operating. † Points to be checked 1. The CR Encoder Sensor and the CR Scale must be free from dust and dirt or any other foreign matters. 2. Execute encoder checking by the 1.4.6.1 Self Testing Menu (SELF TESTING)(p.91) in Maintenance Mode 2. 3. The CR Timing Belt must be free from any defects and the belt must be in proper tension. 4. The Carriage Unit must slide smoothly, free from undue load. 5. Measure the resistance value of the CR Motor. (19.3 ± 10% [Ω]) If the CR Motor is found in short mode, replace the BOARD ASSY., MAIN at the same time. 6. All the harness must be connected properly and free from short circuit or broken wire. † Remedy 1. Check for dirt, paper dust or damage to the CR Scale 2. Perform the CR Timing Belt Tension Adjustment (p.376) 3. Replace the CR Encoder Sensor (p.280) 4. Replace the Motor Assy., CR (p.270) 5. Replace the C593 MAIN Board (p.226)
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 186SERVICE REQ. 0001001E† Error meaning: PF servo parameter error † Explanation There may be a case where a voltage exceeding the specified value is about to be applied to the PF Motor. In such a case, this message is displayed and the printer stops operating. † Points to be checked 1. The PF Encoder Sensor and the PF Loop Scale must be free from dust and dirt or any other foreign matters. 2. Execute encoder checking by the 1.4.6.1 Self Testing Menu (SELF TESTING)(p.91) in Maintenance Mode 2. 3. The PF Timing Belt must be free from any defects and the belt must be in proper tension. 4. The PF Roller must rotate smoothly, free from undue load. 5. Measure the resistance value of the PF Motor (17.9 ± 10% [Ω]). If the PF Motor is found in short mode, replace the BOARD ASSY., MAIN at the same time. 6. All the harness must be connected properly and free from short circuit or broken wire. † Remedy 1. Check for dirt, paper dust or damage to the Loop Scale. 2. Perform the CR Timing Belt Tension Adjustment. (p.304) 3. Replace the PF Encoder Sensor. (p.290) 4. Replace the Motor Assy., PF (p.349) 5. Replace the C593 MAIN Board (p.226) SERVICE REQ. 00010020† Error meaning: CSIC reed/write error † Explanation This message is displayed and the printer is stopped when information from the Ink Cartridge CSIC cannot be obtained or the latest ink information for the CSIC cannot be written when turning the power ON/ OFF, opening/closing the I/C Cover or at completion of printing 1 page. † Remedy 1. Connect CR_FFC 2. Defective CSIC Board (Replace the Ink Cartridge.) 3. Faulty contact with the CSIC Replace the I/H Left Unit or I/H Right Unit. (Refer to I/H Left Unit / I/H Lever Sensor (Left) (p.296), or I/H Right Unit / I/H Lever Sensor (Right) (p.305)) 4. Replace the C511_SUB-B Board (p.236), Replace the C593_SUB-C Board (p.238) 5. Replace the C593 MAIN Board (p.226) SERVICE REQ. 00010022† Error meaning: Ink type error (setting on printer body side) † Explanation Ink type: neutral is set even though an ink type other than dye/pigment or CSIC detection: OFF has been set. † Remedy 1. Install the correct Ink Cartridge. 2. Raise the Ink Lever and set the Ink type (NPD) by SERVICE CONFIG of Maintenance Mode 2 (p.90). NOTE:If setting is performed with the Ink Lever in the set position, initialization will start and the service request error will occur again.
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 187SERVICE REQ. 00010023† Error meaning: RTC analysis error † Explanation There may be a case where the absolute time data stored on NVRAM indicates an impossible date or hour. In such a case, this message is displayed and the printer stops operating. † Remedy„ Execute one of the followings:•Turn on the printer in Maintenance Mode 2 (p.90), and execute RTC&USB ID&IEEE1394 ID” to set the date using basic adjustment in adjustment program. „ Remove the lithium battery once and install it again. „ Replace the lithium battery with a new one. (After replacement, be sure to execute RTC setting in one of the methods above.) „ Replace the C593 MAIN Board (p.226) SERVICE REQ. 00010025† Error meaning: CSIC ROM communication error † Explanation There may be a case where an error occurs in communication with the CSIC and BOARD ASSY., MAIN. In such a case, this message is displayed and the printer stops operating. † Cause of trouble„ Faulty contact of Ink Cartridge † Remedy 1. Install the correct Ink Cartridge. 2. Defective CSIC Board (Replace the Ink Cartridge.) 3. Faulty contact with the CSIC Replace the I/H Left Unit or I/H Right Unit. (Refer to I/H Left Unit / I/H Lever Sensor (Left) (p.296), or I/H Right Unit / I/H Lever Sensor (Right) (p.305)) 4. Replace the C511_SUB-B Board (p.236) and the C593_SUB-C Board (p.238) 5. Replace the C593 MAIN Board (p.226)
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 188SERVICE REQ. 00010026† Error meaning: RTC communication error † Explanation There may be a case where the RTC circuit on the BOARD ASSY., MAIN operates incorrectly (is operated as test mode). In such a case, this message is displayed and the printer stops operating. † Remedy 1. Remove the battery once with the power turned off and after waiting for a while, install the battery again and turn the power on. 2. Repeat Step1 above until this error does not occur at power-on.„ Start up the printer in Maintenance Mode 2 (p.90), execute RTC&USBID&IEEE1394ID to set the date using basic adjustment in the the adjustment program. SERVICE REQ. 00010028† Error meaning: Head error † Explanation Print Head has been damaged or undefined NMI was detected at CPU. † Remedy Replace the Printhead (p.285) SERVICE REQ. 00010029† Error meaning: Unidentified NMI † Explanation CPU has detected undefined NMI. † Remedy If this error is not cleared even when the power is turned off once and on again, replace the C593 MAIN Board (p.226) SERVICE REQ. 0001002A† Error meaning: CR ASIC ECU error † Cause of trouble„ Faulty firmware (irregular overwriting of register, etc.) „ Damaged drive circuit board (break in pattern, etc.) † Remedy 1.Installing Firmware (p.444) 2. Replace the C593 MAIN Board (p.226) SERVICE REQ. 0001002B† Error meaning: PF ASIC ECU error † Cause of trouble„ Faulty firmware (irregular overwriting of register, etc.) „ Damaged drive circuit board (break in pattern, etc.) † Remedy 1.Installing Firmware (p.444) 2. Replace the C593 MAIN Board (p.226)
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 189SERVICE REQ. 0001002D† Error meaning: Cleaning Unit work life error † Cause of trouble Pump counter (8P x 1000 = 8,000P) has reached its regulated value. † Remedy Replace the Cleaning Unit and reset the Cleaning Unit work life counter. (Reset When Cleaning Unit Change (p.443).) NOTE: Refer to Table 3-4 Corrective Actions for Displayed Warnings (p.162) about the Cleaning Unit components. SERVICE REQ. 0001002F† Error meaning: 360 DPI writing time out error † Explanation At ASIC reset, cannot restore position held before reset or carriage interference, etc. † Remedy Recover by turning power OFF and back ON. SERVICE REQ. 00010030† Error meaning: Multi Sensor Failure † Cause of trouble Multi Sensor is damaged † Remedy 1. Check if the connection between the Multi Sensor and BOARD ASSY., MAIN, and correct it if abnormal. 2. Replace the Multi Sensor (p.277) SERVICE REQ. 00010031† Error meaning: ASF phase detection error † Cause of trouble„ ASF home position cannot be detected even though Pump Motor turns at designated amount. „ ASF Phase Sensor is damaged. „ Power supply fuse for ASF/Pump Motor driver is broken on the MAIN Board. † Remedy 1. Check if the ASF phase detection wheel rotates smoothly, and correct it if abnormal. 2. Replace the ASF Phase Sensor (p.263) 3. Replace the C593 MAIN Board (p.226) SERVICE REQ. 00010032 This error is for clarification only and does not actually occur.
EPSON Stylus Pro 4400/4450/4800/4880/4880CRevision CTroubleshooting Troubleshooting Based on Panel Messages 190SERVICE REQ. 00010033† Error meaning: Paper eject phase detection error † Cause of trouble Home position for paper eject switching cannot be detected even though PG Motor turns at designated amount, or Paper eject phase sensor is damaged.Or power supply fuse for PG/PO Motor driver is broken on the MAIN Board. † Remedy 1. Check if the Paper Eject Unit rotates correctly and correct it if abnormal. 2. Replace the Paper Eject Phase Sensor (p.356) 3. Replace the C593 MAIN Board (p.226) SERVICE REQ. 00010034† Error meaning: Paper eject movement error † Cause of trouble Floating of paper eject roller (Paper Eject Unit) due to paper jam or foreign object. † Remedy Recover by turning power OFF and back ON after removing paper or foreign object. SERVICE REQ. 00010035† Error meaning: Pump phase detection error † Cause of trouble Pump position cannot be detected even though Pump Motor turns at designated amount, or Pump Phase Sensor is damaged.Or power supply fuse for ASF/Pump Motor driver is broken on the MAIN Board. † Remedy Check whether or not recovery can be done by turning power OFF and back ON. If error recurs, replace the Pump Phase Sensor (p.323).Or replace the C593 MAIN Board (p.226). SERVICE REQ. 00010036† Error meaning: Type-B Board installation error † Cause of trouble Type-B Board lower than Level 2 is installed. † Remedy Remove installed Type-B Board. SERVICE REQ. 00010037† Error meaning: Head thermistor error † Cause of trouble„ The head thermistor is failing. „ Thermistor temperature is at -20°C or less or at 100°C or more. „ The Head FFC is disconnected or has poor contact. † Remedy 1. Check if the Harness, Head is connected correctly, and correct it if abnormal. 2. Replace the Printhead (p.285) SERVICE REQ. 00010038† Error meaning: Transistor thermistor error † Cause of trouble„ The transistor thermistor* is failing. „ Thermistor temperature is at -20°C or less or at 100°C or more. † Remedy Replace the C593 MAIN Board (p.226) Note * : A temperature detection part that is attached to the heatsink (address numbers: Q12, Q13, Q14, Q15), which controls ON/OFF status of the head driving voltage, with screws. This part is located at the address “TH1“ on the Main Board.