CHAPTER 6 TROUBLESHOOTING
CHAPTER 6 –1
CHAPTER 6
TROUBLESHOOTING
ALARM INDICATIONS AT A GLANCE
Operator Calls
If a recoverable error occurs, the printer indicates an ‘operator call’ by
blinking the Alarm lamp and any of the following lamps.
Find the error and take the proper action to correct it. The printer
automatically recovers from most errors, but you may need to reset the
printer with the panel switch as described below.
Blinking Lamp Error Action
Paper
❍↔●
Alarm
❍↔●
Paper jam Clear the paper jam referring to the next section
and press the panel switch if the
printer does not automatically resume printing.
Paper empty Load paper in the printer referring to
press the panel switch.
Misfeed Reinstall the paper and press the panel switch.
Toner
❍↔●
Alarm
❍↔●
(every 5 seconds)
Toner low Indicates that the printer has approximately 100
pages of printing left before the toner cartridge is
empty. Prepare a new toner cartridge.
Toner
❍↔●
Alarm
❍↔●
(Fast blinking)
Toner Empty Replace the toner cartridge with a new one
Содержание HL-720
Страница 1: ...SERVICE MANUAL MODEL HL 720 730 730Plus R LASER PRINTER ...
Страница 36: ...II 19 1 3 10 Engine I O HL 720 Fig 2 21 shows the engine interface circuit Fig 2 21 ...
Страница 37: ...II 20 HL 730 730Plus Fig 2 22 shows the engine interface circuit Fig 2 22 ...
Страница 61: ... Fig 3 18 2 4 1 1 1 ...
Страница 92: ...SERVICE MANUAL MODEL HL 760 R LASER PRINTER ...
Страница 109: ...II 8 1 3 4 DRAM Two 4M bit DRAMs x 16bits are used as the RAM Fig 2 6 ...
Страница 113: ...II 12 1 3 10 Engine I O Fig 2 12 shows the engine interface circuit Fig 2 12 ...
Страница 114: ...II 13 1 3 11 Paper Feed Motor Drive Circuit Fig 2 13 ...
Страница 133: ...Appendix 2 Main PCB Circuit Diagram 1 3 CODE UK3227000 B48K272CIR 1 3 NAME ...
Страница 134: ...Appendix 3 Main PCB Circuit Diagram 2 3 CODE UK3227000 B48K272CIR 2 3 NAME ...
Страница 135: ...CODE UK3227000 B48K272CIR 3 3 NAME Appendix 4 Main PCB Circuit Diagram 3 3 ...