USER’S GUIDE
CHAPTER 6 –2
For errors shown below, the printer indicates an operator call by blinking
the Alarm lamp. If you use the printer with the supplied Windows driver,
the status monitor will appear to indicate the error on your computer
screen. (All of HL-700 series) The HL-730/730Plus series printer also
prints some error messages on paper.
Error
Action
Cover Open
Close the top cover of the printer.
Print Overrun
•
Press the panel switch to print the data remaining in the printer.
•
If you use the supplied Windows driver, try again after turning
on Error Recovery in the PRINT menu of your application
software, (Refer to Help section in Windows printer driver for
the details.) or expand the printer memory with an optional
memory board.
•
If this does not clear the error, reduce the complexity of your
document or reduce the print resolution.
Memory Full
(For HL-730/730Plus
series Only)
This error can occur
only when using DOS
or Macintosh.
•
Press the panel switch to print the data remaining in the printer.
•
Reduce the print resolution or reduce the complexity of your
document.
•
Expand the printer memory with an optional memory board.
Parallel Interface Line
Error
•
Press the panel switch to resume printing.
•
Check that the connection between your computer and printer is
secure and correct, and check the interface cable.
Serial Interface
Framing Error
(For HL-730/730Plus
series Only)
•
Press the panel switch to resume printing.
•
Check the communication parameters such as baud rate and
stop bit on both your computer and printer.
Serial Interface Parity
Error
(For HL-730/730Plus
series Only)
•
Press the panel switch to resume printing.
•
Check the communication parameters such as bit length and
parity on both your computer and printer.
Serial Interface
Overrun Error
(For HL-730/730Plus
series Only)
•
Press the panel switch to resume printing.
•
The interface hardware may be damaged. Consult your dealer.
Serial Interface Input
Buffer Overflow
(For HL-730/730Plus
series 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.
Summary of Contents for HL-720
Page 1: ...SERVICE MANUAL MODEL HL 720 730 730Plus R LASER PRINTER ...
Page 36: ...II 19 1 3 10 Engine I O HL 720 Fig 2 21 shows the engine interface circuit Fig 2 21 ...
Page 37: ...II 20 HL 730 730Plus Fig 2 22 shows the engine interface circuit Fig 2 22 ...
Page 61: ... Fig 3 18 2 4 1 1 1 ...
Page 92: ...SERVICE MANUAL MODEL HL 760 R LASER PRINTER ...
Page 109: ...II 8 1 3 4 DRAM Two 4M bit DRAMs x 16bits are used as the RAM Fig 2 6 ...
Page 113: ...II 12 1 3 10 Engine I O Fig 2 12 shows the engine interface circuit Fig 2 12 ...
Page 114: ...II 13 1 3 11 Paper Feed Motor Drive Circuit Fig 2 13 ...
Page 133: ...Appendix 2 Main PCB Circuit Diagram 1 3 CODE UK3227000 B48K272CIR 1 3 NAME ...
Page 134: ...Appendix 3 Main PCB Circuit Diagram 2 3 CODE UK3227000 B48K272CIR 2 3 NAME ...
Page 135: ...CODE UK3227000 B48K272CIR 3 3 NAME Appendix 4 Main PCB Circuit Diagram 3 3 ...