Film Ribbon |
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SYMPTOM |
POSSIBLE CAUSE |
REMEDY |
REMARKS |
Print on paper too light. |
1. Check quality of ribbon |
Some ribbons have varied amounts of ink content. Check for variatior or bad spots on ribbon. |
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2. Ribbon folding |
1. Dirty or binding ribbon guides (128-20).
2. Dirty or binding shock wire sleeve (128-21). |
3. Adjust right guide on ribbon plate - form for proper tracking.
4. Ribbon lift binding (128-20) or hitting card holder. |
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3. Characters typing over same area on ribbon. |
See "Ribbon will not feed section". |
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feed. |
1. Ribbon feed pawl spring broken or missing. |
Replace feed pawl spring (129-24) |
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2. Ribbon feed pawl binding on ribbon plate (129-25). |
Adjust ribbon plate (129-26) left or right to prevent feed pawl from binding (129-25). |
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3. No lubrication |
Clean and lubricate ribbon mecha nism completely. |
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4. Ribbon drive spring broken, weak or dirty. |
Replace drive spring; or clean and check spring (128-24). |
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5. Ribbon feed & lift wheel (111-30) not being held by detent after feed operation |
Adjust ribbon feed cam follower stud (129-27) so ribbon feed and lift wheel (111-30) will not rotate beyond detent position on ribbon lift wheel. |
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6. Ribbon feed pawl eccentric (129-27) loose, broken or maladjusted. |
Adjust pawl eccentric (129-27) until feed pawl (129-25) drives ribbon feed & lift wheel to next detent position (111-30). |
The ribbon feed & lift wheel has windows in it. The detent uses the windows to prevent the ribbon feed & lift wheel from rotating back wards. Each time the machine cycles the ribbon moves one detent position. This method is used on early level machines. |
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7. Ribbon corner guide bind ing on ribbon spool. |
Form corner guide (128-22) to prevent binding on ribbon spool. |
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Machine will not print full character. |
1. Ribbon lift binding on card holder. |
Adjust card holder to rear to prevent binding on ribbon lift (128-20). |
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2. Ribbon lift guides binding rivets, causing ribbon to fold. |
Clean and free guides of binds. (128-20). |
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3. Ribbon folding |
Clean shock wire and sleeve. (128-21). |
Adjust shock wire for slight angle. |
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4. Ribbon flat links broken or damaged (105-14) |
Replace ribbon lift guides (105-13) |
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5. Ribbon not feeding properly. |
See "Ribbon will not feed section". |
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6. Spring off ribbon lift control link. |
Replace spring (105-15) |