Operator Calls; Service Calls - Brother HL 1240 - B/W Laser Printer Service Manual

CHAPTER 6 TROUBLESHOOTING
2. OPERATOR CALLS & SERVICE CALLS
2.1

Operator Calls

An 'operator call' which the printer indicates on the LEDs is user recoverable. Identify the error
from the table below and take the corrective action described for each indication to correct it.
The printer automatically recovers from most errors, but it may also be necessary to reset the
printer with the control panel button.
LED Indication
Alarm LED is blinking.
Ready & Alarm LEDs are
blinking.
Alarm & Data LEDs are
blinking. (every 5 seconds)
Alarm & Data LEDs are ON.
2.2

Service Calls

When the printer indicates the need for a service call by illuminating all the LEDs and then a
combination of LEDs alternately as shown in the table on the next page, a user unrecoverable
error may have occurred.
Instruct the user to turn off the power switch, wait a few seconds and then turn it on again and
try to print again. If the error is not cleared and the same service call appears, see
'Malfunctions'
Error
Cover open
Paper jam
No paper
Misfeed
Toner low
Toner empty
to take the corrective action.
Error occurs.
Confirm the LED
indication.
Turn OFF/ON
the power switch.
NO
Error occurs
again.
YES
See Section 6
'Malfunction'.
Remedy
Close the front cover. If the error is not
cleared even after closing it, open the cover
once and close it again.
The error may occur because of the laser
BD malfunction. Refer to
Section 6.
Clear the jammed paper inside the printer.
Press the panel button if the printer does
not automatically resume printing.
Load paper into the printer and press the
panel button.
Re-install the paper and press the panel
button.
Indicates that the toner cartridge is nearly
empty. Purchase a new toner cartridge in
order to be ready for when the 'toner empty'
message is indicated.
Replace the toner cartridge with a new one.
Temporary error.
Use the printer with-
out corrective action.
6-4
'M-7 BD failure' in
Section 6