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COMMON ERROR CODES FOR THE:
    MFC
4800 
| CODE | DESCRIPTION | 
| (71 | Polygon motor does not synchronize with the reference clock. ) | 
| (72 | Cannot detect Beam Detect signal. ) | 
| (73 | No toner cartridge loaded. ) | 
| (74 | Toner empty. ) | 
| (75 | In-casing temperature error. ) 
      -  
       SOLUTION: REPLACE FUSER UNIT  | 
  
| (76 | Heater harness disconnected or broken. ) 
      -  
       SOLUTION: REPLACE FUSER UNIT  | 
  
| (77 | Heater thermistor short circuit.) 
      -  
       SOLUTION: REPLACE FUSER UNIT  | 
  
| (78 | Heater thermistor harness disconnected or broken. ) 
      -  
       SOLUTION: REPLACE FUSER UNIT  | 
  
| (79 | Toner thermistor harness disconnected or broken. ) 
      -  
       SOLUTION: REPLACE FUSER UNIT  | 
  
| (80 | Paper size setting error. ) | 
| (82 | Paper feeding error. ) | 
| (83 | Paper jam. The registration sensor remains ON.) | 
| (84 | Paper jam. The paper ejection sensor remains ON. ) | 
| (88 | Paper jam. Even after the registration sensor has gone OFF, the paper ejection sensor still stays OFF.) | 
| (A1 | Top cover opened. ) | 
| (A2 | Document too long to scan. ) | 
| (A3 | Document not detected by the document rear sensor. ) | 
| (A4 | 50% or more faulty of white level data. ) | 
| (A7 | One-line feeding timeout error. ) | 
| (A8 | One-line scanning timeout error. ) | 
| (A9 | Abnormal scanning reference voltage. ) | 
| (AC | Less than 50% faulty of white level data. ) | 
| (B9 | Light emission intensity error of the LED array. ) | 
| (D5 | The MODEM fails to complete the command transmission sequence. ) | 
| (E4 | Out of recording paper. ) | 
| E6 | Write error in EEPROM. | 
| (E8 | Data scanning error during transmission. ) | 
| (EA | Document removed in phase B.) | 
| (F5 | EOL not found in page memory transmission mode. ) | 
| (F6 | PC interface error. ) | 
***Error codes in parentheses do not appear as a "MACHINE ERROR XX", since these errors are displayed as text messages on the LCD. These error codes may be displayed in the maintenance mode using "Function Code 82".***
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