Brother 1250, HL-1030, 1240 service manual Unable to print from application software under DOS

CHAPTER 6 TROUBLESHOOTING

S-2

Unable to print from application software with the serial interface. (HL-1250 only)

User Check

Check that the slide switch of the serial interface is in the correct position and the serial interface setting are correctly set up with the DIP switches.

Possible cause	Step	Check	Result	Remedy
Failure inside	1	Is it possible to print the test	No	Identify the error type, then
the printer		page with the method of		refer to the specified section of
		Subsection 10.1 ‘Test Print		this chapter.
		Mode’ in this chapter?
Main PCB	2	Is it possible to print with	No	Replace the main PCB.
failure		another PC, printer cable and
		RS-100M?
RS-100M failure	3	Is it possible to print with	No	Replace the RS-100M.
		another PC and cable?
			Yes	This problem may appear
				under the specified system
				environment. Check the
				environment which the user
				used.

S-3

Unable to print from application software under DOS.

User Check

(1)Check that the DOS application software interface settings match that of your printer.

(2)Check if the printer has any printer alarms active.

(3)Check if the appropriate printer is selected in your application software.

(4)(HL-1250 only) If the serial interface is used, check that the RS-232C serial interface is selected with the slide switch. Check that the interface settings are correctly set up with the proper DIP switches. Check that the serial parameters of baud rate, parity and stop bits match between your application software and the printer.

Possible cause	Step	Check	Result	Remedy
Failure inside	1	Is it possible to print the test	No	Identify the error type, then
the printer		page with the method of		refer to the specified section of
		Subsection 10.1 ‘Test Print		this chapter.
		Mode’ in this chapter?
Main PCB	2	Is it possible to print with	No	Replace the main PCB.
failure		another PC and printer cable?
			Yes	This problem may appear
				under the specified system
				environment. Check the
				environment which the user
				used.

NOTE:

If this problem appears when using the RS-100M, follow the procedures in “S-2” on this page.

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