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CHAPTER 3 CONTROL PANEL
CHAPTER 3 –1
CHAPTER 3
CONTROL PANEL
LAMPS AND SWITCH
This section refers to the following lamps and switch on the printer control
panel.
Drum
Alarm
Ready
Paper
Data
Toner
Fig. 3-1 Lamps and Switch on Control Panel
✒
Note
When the power switch is off or the printer is in sleep mode, all lamps
including the Ready lamp are off.
Ready (Paper) Lamp
The Ready lamp indicates the current status of the printer.
Lamp Printer status
Off
❍
The power switch is off or the printer is in sleep
mode. If the printer is in sleep mode, it will wake up
automatically when it receives data or you press the
control panel switch.
Blinking
❍↔●
The printer is warming up.
(Blinking at 1 second intervals)
Blinking
❍↔●
The printer is cooling down and stops printing until
the printers internal temperature lower.
(Blinking at 2 seconds intervals)
On
●
The printer is ready to print.
This lamp also works as the Paper lamp with the Alarm lamp. They blink
simultaneously to indicate a paper error. See
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 ...