
- 32 -
Error Action
Serial Interface Input
Buffer Overflow (For
HL-1040/1050 Only)
Press the panel
switch
to resume printing.
Check the communication parameters such as the handshake
protocols on both your computer and printer.
If the error occurs again, the interface hardware may be
damaged. Consult your dealer.
✒
NOTE
If the printer does not operate as you expect it to, it is recommended that you turn off the
power switch, wait a few seconds and then turn it on again. If you still have problems, consult
your dealer or our authorized service representative.
Service Calls
If an unrecoverable error occurs, the printer indicates the need for a service call by lighting all
the lamps and then the following combination of lamps alternately:
Service Call Fuser
malfunction
Laser BD
malfunction
Scanner
malfunction
ROM
error
D-RAM
error
Drum
●
❍
●
❍
●
Alarm
❍
●
●
❍
❍
Ready
❍
❍
❍
●
●
Data
❍
❍
❍
❍
❍
Service Call Service A Service B Service C Service D Service E0
Drum
❍
●
❍
●
❍
Alarm
●
●
❍
❍
●
Ready
●
●
❍
❍
❍
Data
❍
❍
●
●
●
Service Call Service E1 Service P NV-RAM
error
CPU runtime
error
Drum
●
❍
●
●
Alarm
●
❍
❍
●
Ready
❍
●
●
●
❍
OFF
Data
●
●
●
●
●
ON
If you see any of these service call indications, turn off the power switch, wait a few seconds
and then turn it on again and try to print again.
If you cannot clear the error and see the same service call indication after turning on the
printer, consult your dealer or our authorized service representative. Report the error status
and situation referring to the above table.
✒
NOTE
Be sure that the top cover and the main controller board are firmly installed.
✒
NOTE
If you have any problems other than described in this section,
see “CHAPTER 6
TROUBLESHOOTING, Q & A” of the On-line User’s Guide
. If you are still unable to clear
the problem after reviewing the information in the User’s Guide, consult your dealer.
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 ...