Technical Brief (Impact Printers)
Page 1
... names EPSON Sales Training EPSON is a 9- These printers have finer printhead pins which determines the type of printing and the number of multi-part forms that can all EPSON impact printers: Functionality... M Printing technology M Control code/emulation M Paper handling M SmartPark™ settings Versatility M Flexible interfacing M Built-in purchase price and low cost of their reliability with LQ...
... names EPSON Sales Training EPSON is a 9- These printers have finer printhead pins which determines the type of printing and the number of multi-part forms that can all EPSON impact printers: Functionality... M Printing technology M Control code/emulation M Paper handling M SmartPark™ settings Versatility M Flexible interfacing M Built-in purchase price and low cost of their reliability with LQ...
Service Manual
Page 8
...MVBF *: MTBF: 19 million lines (except printhead) 10,000 power on the country. *2: When you use Ethernet interface card (C82363*), you need to attach the optional interface card adapter (C82525*) to LQ-2080. Product Description Specifications 8 Since the specifications ...for the both products are specific to the interface card. Items Included with the Printer Enclosed Items Quantity User's manual 1 Driver diskette 1 Ribbon cartridge...
...MVBF *: MTBF: 19 million lines (except printhead) 10,000 power on the country. *2: When you use Ethernet interface card (C82363*), you need to attach the optional interface card adapter (C82525*) to LQ-2080. Product Description Specifications 8 Since the specifications ...for the both products are specific to the interface card. Items Included with the Printer Enclosed Items Quantity User's manual 1 Driver diskette 1 Ribbon cartridge...
Service Manual
Page 11
LQ-2080 1.2.4 Paper Specifications Cut Sheet ... inch 200 mm 3.9 inch 100 mm 7.8 inch 200 mm 1.2.5 Ribbon Specificatio Ribbon life: Approximately 8 million characters (LQ 10 cpi, 48 dots / character) Revision A 1.2.6 Electrical Specifications 120 V Version Input voltage range: AC 99 to 132 V Rated current: ...(ISO/IEC10561 Letter pattern) Energy Star Compliant 1.2.7 Environtal Conditions See the LQ-2070 Service Manual. 1.2.8 Reliability MVBF *: MTBF: Printhead life: 19 million lines (except printhead) 10000 POH 200 million strokes/wire *: Mean print volume between failure Product...
LQ-2080 1.2.4 Paper Specifications Cut Sheet ... inch 200 mm 3.9 inch 100 mm 7.8 inch 200 mm 1.2.5 Ribbon Specificatio Ribbon life: Approximately 8 million characters (LQ 10 cpi, 48 dots / character) Revision A 1.2.6 Electrical Specifications 120 V Version Input voltage range: AC 99 to 132 V Rated current: ...(ISO/IEC10561 Letter pattern) Energy Star Compliant 1.2.7 Environtal Conditions See the LQ-2070 Service Manual. 1.2.8 Reliability MVBF *: MTBF: Printhead life: 19 million lines (except printhead) 10000 POH 200 million strokes/wire *: Mean print volume between failure Product...
Service Manual
Page 24
...from the CPU IC 3 • Clock control unit • Bit manipulation • Interface control • Expanded parallel port • Printhead control • Motor control An electrically writable and erasable ROM used to IC 5 hold information such as the TOF position and bidirectional ...Operating Principles Control Circuit 24 Transfers the image data to the printhead. Controls the functions below lists the each character table. IC 6 The CG contains the bitmap fonts for the PF motor. LQ-2080 Revision A The following figure shows the data flow from the ...
...from the CPU IC 3 • Clock control unit • Bit manipulation • Interface control • Expanded parallel port • Printhead control • Motor control An electrically writable and erasable ROM used to IC 5 hold information such as the TOF position and bidirectional ...Operating Principles Control Circuit 24 Transfers the image data to the printhead. Controls the functions below lists the each character table. IC 6 The CG contains the bitmap fonts for the PF motor. LQ-2080 Revision A The following figure shows the data flow from the ...
Service Manual
Page 26
...standard voltage, the A/D converter in ZD1 and input to the gate array via CPU port 15. Printhead Drive Circuit Control Circuit 26 Port 73 monitors the printhead temperature to determine the printhead driver pulse width. If the temperature exceeds 95° C (213° F), printing is made ... the printing interval. Using the monitored voltage, the CPU converts the voltage to a digital value and decides the printhead driver pulse width, and then transports the data to CPU port 78. LQ-2080 2.3.2 Printhead Driver Circuit The standard voltage for the A/D converter is stopped.
...standard voltage, the A/D converter in ZD1 and input to the gate array via CPU port 15. Printhead Drive Circuit Control Circuit 26 Port 73 monitors the printhead temperature to determine the printhead driver pulse width. If the temperature exceeds 95° C (213° F), printing is made ... the printing interval. Using the monitored voltage, the CPU converts the voltage to a digital value and decides the printhead driver pulse width, and then transports the data to CPU port 78. LQ-2080 2.3.2 Printhead Driver Circuit The standard voltage for the A/D converter is stopped.
Service Manual
Page 30
...cut off by comparing the measured voltage with standard voltage, which is included in this printer. Figure 2-9. The PW sensor, used in the rear PE sensor. The HP sensor...are used for paper width measurement and paper loading positioning, detects the paper edge by the printhead. Sensor Circuit Operating Principles Control Circuit 30 Two types of sensors are photo diode switches.... the sensor plate, which was measured during the power on sequence. LQ-2080 Revision A 2.3.6 Sensor Circuits The CPU detects conditions of the head driver signal. Additionally, the...
...cut off by comparing the measured voltage with standard voltage, which is included in this printer. Figure 2-9. The PW sensor, used in the rear PE sensor. The HP sensor...are used for paper width measurement and paper loading positioning, detects the paper edge by the printhead. Sensor Circuit Operating Principles Control Circuit 30 Two types of sensors are photo diode switches.... the sensor plate, which was measured during the power on sequence. LQ-2080 Revision A 2.3.6 Sensor Circuits The CPU detects conditions of the head driver signal. Additionally, the...
Service Manual
Page 41
... ms and interval is the same as for the LQ-2070 except for troubleshooting. Fatal error Blink Blink Blink Blink Font ------- LQ-2080 Revision A 5.1 Overview This chapter contains information necessary for the point below: Point: Table 5-1 (LQ-2070 Service Manual) Meter Reading 39.3 ± ..., this chapter does not include the information common to the LQ-2070. 5.2 Troubleshooting Information This section gives you troubleshooting information to let you test points for replaceable units. 5.2.1 Printhead The information in this section is approx. 100 ms. Troubleshooting...
... ms and interval is the same as for the LQ-2070 except for troubleshooting. Fatal error Blink Blink Blink Blink Font ------- LQ-2080 Revision A 5.1 Overview This chapter contains information necessary for the point below: Point: Table 5-1 (LQ-2070 Service Manual) Meter Reading 39.3 ± ..., this chapter does not include the information common to the LQ-2070. 5.2 Troubleshooting Information This section gives you troubleshooting information to let you test points for replaceable units. 5.2.1 Printhead The information in this section is approx. 100 ms. Troubleshooting...