USER’S GUIDE
3-2
Data (Toner) Lamp
The
Data
lamp indicates the current status of the print data process.
Lamp
Printer status
Off
❍
The printer has no print data.
Blinking
❍↔●
The printer is receiving data from the computer or
the printer is processing data in memory.
On
●
Print data remains in the printer memory. If the
Data
lamp is on for a long period of time and
nothing has printed, you need to press the
switch
to print the remaining data.
This lamp also works as the
Toner
lamp with the
Alarm
lamp. They
blink simultaneously to indicate a toner error.
See “REPLACING THE
TONER CARTRIDGE” in Chapter 5 and “Operator Calls” in Chapter 6
.
Drum Lamp
The
Drum
lamp indicates the drum unit is nearly at the end of its life.
Lamp
Printer status
Off
❍
The drum unit can be used.
On
●
The drum unit is nearly at the end of its life.
Installing a new drum unit turns off this lamp.
See
“REPLACING THE DRUM UNIT” in Chapter 5.
Alarm Lamp
The
Alarm
lamp blinks to indicate a printer error status such as “
COVER
OPEN
” and “
MEMORY FULL
.” If any other error occurs, the printer
indicates the error by blinking the
Alarm
lamp with another lamp or by
printing an error report.
✒
Note
The
Ready
,
Data
and
Drum
lamps are used to indicate printer errors
with the
Alarm
lamp
. See “ALARM INDICATIONS AT A GLANCE”
in Chapter 6
and take corrective action for the error.
Summary of Contents for HL-1020
Page 1: ......
Page 36: ...II 20 Fig 2 22 shows the CDCC interface circuit Fig 2 22 HL 1050 ...
Page 37: ...II 21 1 3 10 Engine I O Fig 2 23 shows the engine interface circuit Fig 2 23 HL 820 1020 1040 ...
Page 38: ...II 22 Fig 2 24 shows the engine interface circuit Fig 2 24 HL 1050 ...
Page 67: ...III 18 4 PACKING Fig 3 32 Documents Accessory carton Pad Pad Printer Bag Carton ...
Page 101: ...CODE UK4007000 B48K312CIR NAME V 5 Appendix 5 Main PCB Circuit Diagram HL 820 1020 1040 1 2 ...
Page 102: ...Appendix 6 Main PCB Circuit Diagram HL 820 1020 1040 2 2 CODE UK4007000 B48K312CIR NAME A 6 ...
Page 103: ...Appendix 7 Main PCB Circuit Diagram HL 1050 1 5 CODE UK4041000 B512001CIR NAME A 7 ...
Page 104: ...Appendix 8 Main PCB Circuit Diagram HL 1050 2 5 CODE UK4041000 B512001CIR NAME A 8 ...
Page 105: ...Appendix 9 Main PCB Circuit Diagram HL 1050 3 5 CODE UK4041000 B512001CIR NAME A 9 ...
Page 106: ...Appendix 10 Main PCB Circuit Diagram HL 1050 4 5 CODE UK4041000 B512001CIR NAME A 10 ...
Page 107: ...Appendix 11 Main PCB Circuit Diagram HL 1050 5 5 CODE UK4041000 B512001CIR NAME A 11 ...
Page 108: ...Appendix 12 Panel Sensor PCB Circuit Diagram CODE UK4010000 B48K303CIR NAME A 12 ...
Page 117: ...Apr 98 84U005BE0 PARTS REFERENCE LIST MODEL HL 820 1020 1040 1050 R LASER PRINTER ...
Page 122: ...1 1 1 MODEL HL 1050 84U 861 101 103 104 84U 862 106 6 4 5 MAIN PCB HL 1050 OTHERS ISRAEL 3 ...
Page 135: ...CONTENTS LOWER TRAY UNIT List 1 Drawing 2 ...
Page 137: ... 2 GENERAL DRAWING MODEL LT 24CL 54S X06 4 3 1 6 5 2 7 ...
Page 214: ......
Page 296: ...USER S GUIDE A 12 HP LaserJet IIP 6P EPSON FX 850 IBM Propritner XL EPSON FX 850 ...