| Description | Indication | LED | Buzzer |
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Paper out (paper position can't be detected) | PaperErr | Lights | Sounds short | |
Error contents and sensor information |
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| 3 times | |
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repeatedly displayed |
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M command: | Sets length for detection | M CMND |
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| miss checking with system |
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| command M |
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Maximum: | Max. value of sensor | Max*.**V |
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| reading voltage |
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Minimum: | Min. value of sensor | Min*.**V |
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| reading voltage |
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Ribbon end |
| RibonOut | Lights | Sounds short |
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| 3 times |
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PCB overheat |
| OverHeat | Lights | Sounds short |
(PCB or sensor abnormality) |
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| 3 times | |
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Fan stop |
| Fan stop | Blinks | Sounds short |
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| 3 times |
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Option board abnormality | OP Err | Lights | Sounds short | |
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| 3 times |
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Cut Err | Lights | Sounds short | ||
(such as poor engagement) |
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| 3 times | |
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ROM checksum error | ROM Err | Lights | Sounds long | |
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RAM checksum error | RAM Err | Lights | Sounds long | |
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