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Phenomenon | Condition | Cause | Level | Check point & Method | Repair Method |
8. Uneven | Uneven line | ①Defective | A | See cause ① of | phenomenon 1 |
paper | spacing of the | paper supply |
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feeding pitch | printed paper | ②Deformation | B | See cause ⑦ of phenomenon 1 | |
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| of the Spring |
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| Roller |
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| ③Wear of the | B | See cause ⑥ of phenomenon 1 | |
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| Rubber Roller |
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| ④The Shaft | B | See cause ⑧ of phenomenon 1 | |
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| Roller rotates |
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| malfunction |
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| ⑤Wear or | B | See cause ⑤ of phenomenon 1 | |
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| damage of the |
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| teeth of the |
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| gears |
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| ⑥Deformation | B | ·Check if Platen Paper | ·If deformed, replace |
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| of the Platen |
| Guide has become | it with a new platen |
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| Paper Guide |
| deformed | Paper Guide |
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| 710 |
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| ⑦Bad turning | A | See cause ⑨ of | phenomenon 1 |
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| of gear |
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9. Ribbon | Despite normal | ①The ratchet | A | ·Check whether the | ·Replace it if |
mechanism | operation of | of Ribbon |
| ratchet of Ribbon | damaged or worn |
does not | the printing | Cassette is |
| Cassette is damage or | out |
function | mechanism, | damaged or |
| worn out |
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| the ribbon not | worn out |
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| feed | ②Wear or | A | ·Check ribbon feed | ·If there is wear or |
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| damage of the |
| Assy and gear | damage, replace it |
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| teeth of the |
| reduction a, b, c for |
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| gears |
| wear of damage |
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10. Defective | When the | ①Other | B | ·Check if other | ·Clean out any |
paper | paper is | substances |
| substance may exist | particles with a |
insertion | inserted, it | may exist in |
| in paper passing track | vacuum cleaner |
| jams or does | paper passing |
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| not come out to | track |
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| the exit | ②Method of | A | ·Check if paper is | ·Always insert the |
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| paper insertion |
| inserted according to | paper according to |
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| the method described | the method |
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| described |
11. No | No working of | ①Betraying | B | ·Check betraying or | ·Substitute with new |
working on | ribbon shifting | from damage |
| damage, transform of | spring or reconnect |
ribbon | in spite of | or transforming |
| spring solenoid | it |
shifting | normally | of spring |
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| ·In case of damage |
| moving printing | solenoid |
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| or transform of it, |
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| substitute by new |
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| spring |
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| ② | B | ·Check betraying from | ·Substitute with new |
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| spring shift clutch and | spring or reconnect |
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| damage and | with it in case of |
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| transform of it | betraying |
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| ·In case of damage |
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| or transform of it, |
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| substitute by new |
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| spring |
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| ③Attrition or |
| ·Measure exterior | ·In case of attrition or |
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| damage of shift |
| diameter of spring | damage, substitute |
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| cam shift |
| shift clutch and check | them |
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| with eyes |
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Rev. 3.02 | - 71 - |
