S Dfa
H I I lOl I M Figure 7-2. C378MAIN Component Layout Figure 7-3. C378PSB Component Layout Figure 7-3. C378PSB Component Layout Figure 7-4. C378PSE Component Layout Figure 7-4. C378PSE Component Layout Figure 7-5. C298PNL Component Layout Figure 7-5. C298PNL Component Layout
Troubleshooting with LED Error Indications
This section describes how to troubleshoot the problem when the printer indicates an error at power on and can not print. The Stylus COLOR 880 can detect the following six errors and seven status, and indicates them with the LEDs, as shown below. Table 3-3. Error Indication of Operation Panel Table 3-3. Error Indication of Operation Panel
Adjustment Program Initial Setting menu
You have to input the following four items before entering the adjustment main menu. Model name Stylus COLOR 880 Interface setting LPT1, LPT2, LPT3,EPUSB1, EPUSB2, EPUSB3 Program type Individual service adjustment program or Sequential repair service program 1 When you run this program, the following menu appears. Select the Style COLOR 880 in the screen below.
Info Kzq
Table 3-15. Cleaning does not Solve the Print Problem continued Table 3-15. Cleaning does not Solve the Print Problem continued Is any ink tube disconnected from the cap unit Is the FFC disconnected from the printhead board Referring to the figure below, check the following points The ink tube is inserted to the Cap assembly securely as following figure. There is no damage on the ink tube. Remove the Head FFC holder from the CR unit, and check that two FFC are properly connected. Even though no...
Backlash value Adjustment for PF motor
When you remove or replace the following part, perform this adjustment. When the Gear 57 amp loop scale is removed with the PF Roller assembly, this adjustment is required This adjustment sets the suitable backlash value between the Gear 57 and the The required backlash value is 0.1 mm. over 0mm to less than 0.1 mm caution In case this adjustment is not performed correctly, following I phenomenon will occur. lt lt The backlash value is too narrow The PF motor dose not rotate correctly based on...
Adjustment Required
Do not touch the surface of the CR Liner scale by bear hand. Dirt or stain causes the CR Unit to move incorrectly. Do not damage the CR Liner scale. Handle it carefully. Damage causes the CR Unit to move incorrectly. In case you forget to mark the present location where the Bushing is fixed on the TOP Frame, perform the PG Parallelism Adjustment. Refer to the Chapter 5. When disassembling the Right Parallelism Adjustment Bushing, mark present location where the Bushing is fixed on the TOP Frame...
Info Ier
3.1.1.2 Remedies for the Paper Jam Error Table 3-6. Remedies for Paper Jam Error This section includes the check points and corresponding actions which are necessary when the Paper Jam Error constantly occurs when the printer is turned on or feeding paper. The printer detects the Paper Jam Error in the following Conditions. When the printer is turned on, the PE sensor detects the paper and attempt to eject it by rotating the PF roller. But, the Low signal paper detect status is not removed. Be...
Paper Sensor Mainboard Fax-b820
. Torsion Spring 0.618 comes off from the DE Lock Lever and the hook of DE unit. 3.1.1.1 Remedies for Paper Out Error This section provides check points and corresponding actions which are necessary when the Paper Out Error problem has occurred because of either of the following reasons Paper is set in the ASF hopper but not fed. Paper is fed but not detected by the PE sensor actuator. Be sure to follow the steps in the order described in the tables. NOTE If the finding the detail phenomenon...
Epson Stylus Color 880 Reset Repair
Follow the procedure below to input the initial settings. The user interface of the Sequential repair service program is as following figure. The user interface of the Sequential repair service program is as following figure. Figure 5-9. Sequential repair service program main menu Figure 5-9. Sequential repair service program main menu
Printer mechanism replacement
When you change the printer mechanism in your service, use this function. NOTE Use the function for the following case. Printer mechanism except the waste drain ink pad and circuit board, printhead is changed with other one 1 Click the Printer mechanism replacement in the Sequential repair service program. Figure 5-40. Printer mechanism replacement Figure 5-40. Printer mechanism replacement Follow the adjustment item displayed on the above menu. For the detail, refer to Section 5.3.3 on page...
Info Vsr
Getting ready for inspecting waveforms. The connector CN14 used to control the CR motor is indicated in the figure below. Using the oscillo scope, check for the waveform for each phase at the indicated connector. To check the waveform, press the Load Eject button to attempt to move the carriage. Be sure to leave the cable for the CR motor connected. NOTE The GND can be output by placing the probe of the oscillo scope to the tapped hole in the bottom plate on the board with a screw. Note the...
Info Vhc
Table 3-15. Cleaning does not Solve the Print Problem Table 3-15. Cleaning does not Solve the Print Problem continued Trying the initial ink charge operation. Unlike the previous products, the Stylus Color 880 is not equipped with the CL3 dummy cleaning . Therefore, you can repeat the cleaning every time you press the Cleaning button without running a self-test nor any printing. You can repeat the initial ink charge operation in the way described below 1. Using the exclusive program, reset the...
Epson Stylus Cx5500 0.4a Software Free
These character tables cannot select in the Default setting mode. These character tables cannot select in the Default setting mode. Cut-sheet ASF Top entry, Front out 2.36 inch sec Normal, Continuous feed 4.5 inch sec Fast, Continues feed Rated Voltage Input Voltage Range Rated Frequency Range Input Frequency Range Rated Current Power Consumption Insulation Resistance Dielectric Strength Rated Voltage Input Voltage Range Rated Frequency Range Input Frequency Range Rated Current Power...
I Cww
Since the CN10 is a locking connector, be sure to release the locks before removing the cables. Also, make sure to lock them when connecting the cable. Tighten the No.1 screw securing the circuit board with 7 1 kgf-cm torque. Additional torque may cause deformation in the base plate or circuit board. Be sure to perform the following adjustments after replacing the Main Board 1. Head voltage ID Input Refer to Chapter 5. 2. Bi-D adjustment, including Head Gap Adjustment Refer to Chapter 5. 3....
Printhead replacement
When you replace the printhead with new one, this repair item should be selected in the Sequential repair service program. 1 Replace the Printhead with the new one and select the Printhead replacement item in the Sequential repair service program menu. Following Printhead replacement menu is displayed. Figure 5-20. Printhead replacement program menu Figure 5-20. Printhead replacement program menu 2 Input the 11digits code by referring the head ID label stacked on the Printhead and click the OK...
Waste ink pad replacement
When the Waste drain ink pad is replaced with new one due to the maintenance error, you have to replace the Waste drain ink pad with new one and reset the counter. NOTE This function is available only before the Waste Ink Pad Overflow Error occurs. When the Waste ink Pad Overflow Error occurs, you have to reset the Protector counter with the Panel Reset Operation. 1 Turn off the printer and replace the Waste drain ink pad with new one. Click the Waste ink pad replacement in the sequential...
Lb
The printhead, a core of the printing mechanism, is stored in the carriage unit. When the adjustment lever is moved up and down, this printhead is maintained tilt in a flexible and adjustable structure by the tilt adjustment mechanism. Also, the parallelism adjustment levers, mounted on the left and right sides of the carriage guide shaft, are used to set the carriage guide shaft parallel to the platen when the shaft has been installed to the printer mechanism. After this adjustment is...
Epson R230 Repair Front Roller Replacement
Unlike a stepping motor, the DC motor that drives the paper feeding mechanism can not measure the paper feeding amount by referring to the pulses given. For this reason, the loop scale and encoder sensor are directly attached to the left end of the PF roller shaft to mechanically control paper feed amount. See Section 2.2 for detailed information on the PF motor control circuit. Drive from the PF motor is sent to the PF rollers and paper eject rollers as described below. PF motor pinion gear...
Info Gec
Is the PNP connection transistor defective Is the 5 V regulator IC51 defective Check the PNP connection transistor on the C378 PSB SE board in the same manner described in the previous step. Step 1 Off, Step 2 On, Step 3 Off, Step 4 On Check the IC51 for the oscillation waveform measured by using a oscillo scope output from the Pin 2. If the output waveform is as shown below, it means the IC51 is working properly.
Info Hqn
Check the cap for any foreign matter, dirt, or damage. Has the Tension Spring assembled in the Cap Unit come off Release the carriage lock to move the carriage unit away from the home position. Then, have a close look at the cap rubber and check for any problem below. If the Tension Spring assembled in the Cap Unit, comes off, the sealing ability lowers and the cap rubber portion dose not fit to the surface of the printhead. And the ink is not absorbed from the head. Therefore, check that the...
Info Een
Is the head driving pre-driver defective If a trapezoid waveform is not output in the previous step, check all the power transistors Q3 -Q4 for base waveforms. Like the head transistor in Step 8, the base terminal input the similar trapezoid waveforms from the pre driver IC, but any wave form is not input at Emita terminal. Replace the Power Transistor. If the waveforms are not output correctly on Base terminal of each Power Transistor, replace the IC10 or 11 on C378 Main Board. Otherwise,...
CN Ljm
When the Printer is turned on, the CR move a little and the PF motor also moves little. After that, the Panel LED indicates the Fatal Error. Check for the correct waveform at 5 pins of FFC. The PF Motor Encorder Sensor FFC is connected to CN12 on the C378 Main Board. Checkthat both connectors Pin 1 amp 4 or Pin 1 amp 2. Check for the correct wavehorm at 21 pins of Head FFC. The Head FFC is connected to CN8 on the C378 Main Board. Checkthat both connectors Pin 2 amp GND or Pin 4 amp GND. When...
Pts
Figure 2-21. Print Timing Signal and Linear Encoder Phase A Figure 2-21. Print Timing Signal and Linear Encoder Phase A NOTE If the drive voltage for the CR motor reaches 800mA, a fatal error occurs. TheStylus COLOR 880 is equipped with a DC motor for the PF motor. The block diagram for the PF motor driver circuit is as shown below
Refurbishment for DOA
If you clean the cavity of the printhead and cap assembly, this function will be useful. After carry out this function, replace the waste drain ink pad with new one and reset the Waste drain ink pad counter. Otherwise, the ink or S46 liquid may leak from the pad during the transportation. Dummy ink cartridge, Injector, S46 liquid Do not carry out this program Exchange sequence 1 amp 2 repeatedly. This operation is available only one time. Excessive operation causes overflow of the ink amp S46...
Removing the Circuit Board Assembly
Since the Main Board and Power Supply Circuit Board are built in a separate bracket from the Printer Mechanism, remove the whole bracket from the printer mechanism. 1 Remove the Upper Housing. Refer to Section 4.2.1. 2 Remove the 2 screws No.1 securing the M B Shield Plate on the printer mechanism. Refer to Figure 4-3. Figure 4-3. Removing the M B Shield Plate XJl v.y Figure 4-3. Removing the M B Shield Plate 4 When removing each Circuit Board unit from the M B Shield plate, remove the screws...
Info Sfm
While the PF motor drive is used for paper feeding PF motor rotation CCW , the CR Lock lever is set under the Paper Eject Frame, but the CR Lock lever rises up with clockwise rotation of the PF motor and locks the CR unit. Drive from the PF motor is sent to the CR Lock lever via Paper Eject Roller as described below. PF motor pinion gear CW rotation Spur gear 57 Combination gear 15, 25 Spur gear 28 Paper eject rollers CR lock lever The carriage lock mechanism prevents the carriage from being...
Info Cje
NOTE The GND can be output by placing the probe of the oscillo scope to the tapped hole in the bottom plate on the board with a screw. Getting ready for inspecting waveforms. The CN13 connector used to control the PF motor is indicated in the figure below. Using the oscillo scope, check for the waveform for each phase output from the indicated connector. To check the waveform, press the Load Eject button to attempt the ASF paper feeding. Be sure to leave the cable for the PF motor connected.
Drive Gear Motor Epson Lq 2170
The rotational directions and their functions are shown in the table below Sets the paper return lever. Switches torque to the ASF side. Torque from the ASF Pump motor is transmitted to the ASF as described below Torque transmission to the ASF unit 1 When the CR unit moves to the right end of the CR shaft, the DE lock lever is pushed to the right end. 2 The ASF-Pump motor rotates clockwise specified steps viewed from the motor pinion gear side . 3 With the rotation of step 2 , the planetary...
Operating Principles
This section describes the operating principles of the printer mechanism and electrical circuit boards. The EPSON Stylus COLOR 880 has the following boards Main board C378MAIN Board Power supply board C378PSB PSE Board Panel board C298PNL Board Unlike other EPSON ink jet printers, the Stylus COLOR 880 uses DC motor for power source. Use of the DC motor enable the printer to lower noise during printing to a great extent. Table 2-1 shows the various motor types used in the printer and their...
Db
Figure 2-15. C378PSB PSE Board Block Diagram 1. Regardless of the state of the power switch On or OFF , the voltage is always applied to the primary side of the power supply board from the moment or at the state that AC-plug is plugged in. At this time, F1 plays a role of preventing AC100V from coming into the F1. L1 also prevents high harmonic wave noise generated in the RC circuit filter which consists of C1,C2 from going out, and eliminates the noise from outside here. 2 The AC is full-wave...
IC Dgf
Controls the printhead drive waveform circuit. Transfers serial data to the printhead. Controls the ASF Pump motor Receives panel control signals and sensor signals Controls detection of the signals output from the encoder. The printhead driver circuit consists of the following two components Common driver IC IC10 E09A14RA directly attached to the C378MAIN board. Nozzle selector IC Sharp IR2C95F or EPSON SED6125T0A on the head board. The common driver IC10 E09A14RA generates a reference drive...
Printhead removal
When you remove the printhead from the printer mechanism and reinstall the removed printhead to the printer mechanism, this repair item should be selected in the Sequential repair service program. 1 Install the removed printhead to the CR unit on the repair printer mechanism. 2 Select the Printhead removal in the Sequential repair service program. Following Printhead removal top menu is displayed. 2 Select the Printhead removal in the Sequential repair service program. Following Printhead...