![](/images/new-backgrounds/1203321/203321419x1.webp)
The LED Display
When the Error LED is on (Fatal Error) (1/1)
| HSYNC Abnormal | Polygonal Mirror | Main Motor |
| ☞p. | Motor ☞p. | ☞p. |
Appendix B |
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Reference | Fuser Low | Fuser Overheat | SRAM, DRAM, ROM, |
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Quick | Temperature ☞p. | Engine I/F, CPU | |
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| ☞p. | |
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| Fuser Warm UP | Fuser Fan ☞p. | P/H Fan ☞p. |
| ☞p. |
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