Disconnect the cable from the connector at the back of the control panel, which connects the control panel to the ROMA board. When the PG gear rotates, it drives carriage guide shaft B. Confirm that no paper is loaded, and turn the printer power on. CS Motor Specifkdtions Table 6. Mount the ribbon drive wire to the ribbon drive wire spring. These motor driver ICs input a reference voltage that corresponds to the motor speed for the constant current control drive!

Uploader: Shaktinris
Date Added: 19 September 2004
File Size: 28.48 Mb
Operating Systems: Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads: 45956
Price: Free* [*Free Regsitration Required]

Remove the cartridge cover. Printhead Cooling Mechanism Table Ser lal data are sent on RXD.

LQ Printer Driver – 24 Pin – Download – Dot Matrix – Epson

Control Panel Removal 4 ” 1 2 Figure Remove the paper feed reduction gear. The carriage speed and cycle in the phase switching system are converted to those in the phase switching system.

This is the sequence used to print a dot on the paper. Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc.


When latching data, half-protection is performed by NANDing the contents of the new data and the previous data so that the output goes LOW continuously.

When C 12 is fully charged, R9 is shorted to prevent it from wasting energy lw heat.

See terms – opens in a new window or tab. P 60 step step 60 step 8 step Figure If the platen gap home position flag prevents the motor securing screw from being removed, manually rotate the platen gap reduction gear so that the screw can be removed. People who epon this item also viewed.

Turn the printer power off, and remove the adjustment cartridge from slot A.

LQ Printhead at Rs /piece | Grant Road East | Mumbai | ID:

If subsequent data is input to the printer, the paper will be reversed to its original position automatically and printing will start. LD Sensor Close Open eoson 1. TM2, pin 20 IC 2A: Check the settings of the interface between the printer and host computer.

Serial impact dot matrix. Replace the panel unit.

Epson LQ 2250

Sends X-OFF when the vacant area of the input buffer reaches bytes. Paper feed performed in this micro feed mode does not affect the page position control. Seller information jmwholesaledirectinc The relationship between the printhead temperature and thermistor resistance value in the normal state is shown in Figure When using push-pull tractor feed: Printhead Drive Equivalent Circuit Figure The main functions of the sub CPU and its peripheral components are as follows: Ground Screws Removal 4 ” 14 Figure Thermistor for compensating for changes in paper thickness due to changes in temperature Figure Observe the voltage between pins Replace IC2.


Buzzer Drive Circuit Figure Therefore, Q 1 turns off quickly. Table lists the state detection circuits onthe ROMA board. Data Transmission Timing for the 8-bit Parallel Interface r Table explains the hexadecimal dump operation and Figure shows a sample printout of the operation. Special fabric designed specifically to work with the Epson L.