Epson FX 1170 Service Manual - Page 124
Table 5-6. Repairing the Printer Mechanism Continued, Set the LEVER, G
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REV.-A Problem Ribbon feed abnormality. The paper gets stained with ink. DETECTOR, PE malfunction. Table 5-6. Repairing the Printer Mechanism (Continued) symptom The ribbon does not feed. Cause The ribbon cartridge is defective. Checkpoint Solution Remove the ribbon cartridge. Then rotate the ribbon feed roller manually to check that the ribbon cartridge feeds the ribbon normally. Replace the ribbon cartridge. Foreign substances are caught in the gears. Check that the ribbon driving gear rotates properly when the carriage is moved manually. Remove any foreigl substances or replace the ribbon cartridge. The ribbon feeds properly only when the carriage moves in one direction (Ief or right). The surface of the pape in the printable area is stained with ink. The planetary gear is defective. The ribbon mask is not positioned correctly. The platen gap is not adjusted correctly. Manually move the carriage and check that the planetary gear functions normally. . . Check that the ribbon mask is in the correct position. Set the LEVER, G, ADJUST to O and check the gap between the printhead and the platen. The correct gap is 0.36-0.40 mm. Replace the ribbon cartridge mechanism. Reinstall the ribbon mask. Adjust the gap as described in "Platen Gap Adjustment" in Chapter 4. The printer does not stop printing after it reaches the paper end, or it prints when no paper is loaded, or it ejects paper when you press PAPER FEED button to load paper. The DETECTOR, PE Check the is defective. DETECTOR, PE. Replace the DETECTOR, PE. 5-20