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| Problem |
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| Probable Cause | Level | Checkpoint | Action | |||||
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| Feeding motor failure | B | Check for short failure | Replace the motor | ||||
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| inside the motor | |||||||
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| Gear is dislocated | B | Check the assembly | Reassemble the | ||||
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| status of the washers | |||||||
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| from the rotating axis | gears and washers | ||||||
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| holding the gears | |||||
| Paper feeding failure |
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| Open the cover, | ||||
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| Paper jam o | B | Check for paper jam | and then remove | ||||
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| the jammed paper | |
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| Auto cutter jam | B | Check for auto cutter jam | Open the cover | ||||
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| cutter, and then | |||||||
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| restart the printer | |
| Cover cannot be |
| Auto cutter jam | B | Check for auto cutter jam | Open the cover | ||||||
| opened when pressing |
| cutter, and then | |||||||||
| the button |
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| restart the printer | ||
| Cover cannot be |
| Deformation of Hook | B | Check for deformation of | Straighten the | ||||||
| closed |
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| Hook | Hook with =pliers | |||||||
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| Error LED is on and |
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| there is a long and |
| Cover Open sensor | B | Check for sensor failure | Replace the sensor | ||||||
| continuous beep sound |
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| failure | Ass’y | |||||||||
| while the printer is in |
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| the ready state. |
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| Error LED is on and |
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| there is a short and |
| Paper End sensor |
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| Replace the sensor | ||||
| continuous beep sound |
| B | Check the sensor failure | ||||||||
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| failure | Ass’y | |||||||||
| while the printer is in |
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| the ready state. |
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| Error LED is on and |
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| there is no beep sound |
| Near End sensor | B | Check for sensor failure | Replace the sensor | ||||||
| while the printer is in |
| failure | Ass’y | ||||||||
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| the ready state. |
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| Joint or bouncing |
| Gears are damaged |
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| Check for damage or | Replace the gears | |||||
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| B | foreign substances on the | |||||||||
| sound during feeding |
| or are impeded by | or remove the | ||||||||
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| gears | ||||||||||
| operation |
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| foreign substances |
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| foreign substance | |||||
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| Check the | A | Communication speed is | Check the DIP | ||||
| Entered characters |
| set by DP switches for | |||||||||
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| communication speed | switch setting | |||||||||
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| Serial Mode | ||||||||
| and printed characters |
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| Check |
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| are different |
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| Communication cable |
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| A | modem | Replace the cable | |||||||
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| failure | |||||||
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| Cable |
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| Problem |
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| Probable Cause |
| Level |
| Checkpoint |
| Action | ||
| Auto cutter |
| DIP switch setting failure |
| A |
| Check whether DIP |
| Change ON to OFF |
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| does not |
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| switch |
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| work at all |
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Rev. 1.00 | - 66 - |