Service Manual
Page 181
... in the "MACHINE ERROR X X " message Error Code X X (Hex.) ( 71 ( 72 ( 73 ( 74 ( 75 ( 76 ( 77 ( 78 ( 79 ( 7A ( 7B ( 7C ( 80 ( 82 ( 83 ( 84 ( 85 ( 86 ( 88 ( A1 ( A2 ( A3 ( A4 ( A7 ( A8 ( A9 ( AC Error factor Polygon motor does not synchronize with the reference clock. ) Cannot detect Beam Detect signal. ) No toner cartridge...
... in the "MACHINE ERROR X X " message Error Code X X (Hex.) ( 71 ( 72 ( 73 ( 74 ( 75 ( 76 ( 77 ( 78 ( 79 ( 7A ( 7B ( 7C ( 80 ( 82 ( 83 ( 84 ( 85 ( 86 ( 88 ( A1 ( A2 ( A3 ( A4 ( A7 ( A8 ( A9 ( AC Error factor Polygon motor does not synchronize with the reference clock. ) Cannot detect Beam Detect signal. ) No toner cartridge...