6.3 Printing Problems; 6.3.1 Indicators are on, flashing, or off.; Symptom Possible - Page 111

Brother HL-4000CN User's Guide

Table of Contents

CHAPTER 3 BASIC PRINTER OPERATION
CHAPTER 8 ROUTINE MAINTENANCE AND CONSUMABLE REPLACEMENT
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Symptom Possible 

Cause 

Action 

The Alarm lamp is on 

Is there an error message on the 
control panel display? 

Check the message and rectify the 
error accordingly. 

See 6.7 “What to Do When an Error 
Message Appears” 

The Alarm lamp is 
flashing 

A problem that the user cannot rectify 
has occurred.  

Note the error code on the display, 
turn off the printer immediately, 
disconnect the power cord from the 
outlet, and contact your dealer or 
Brother authorized service 
representative. 

The Print Ready lamp is 
off 

Is the control panel display on the 
menu screen? 

Press the Menu button on the control 
panel to go back to the print screen. 

See 5.1.3 “Buttons” 

Is the parallel, USB, or Ethernet 
interface cable loose or 
disconnected? 

Turn off the printer and check the 
interface cable. If necessary, 
reconnect. 

Is the network expansion card loose?   Turn off the printer and reinstall the 

network expansion card into the 
printer. 

Does the parallel, USB, or Ethernet 
interface cable meet the required 
printer specifications? 

Use only the recommended parallel 
or USB interface cables for the 
printer. 

10Base-T and 100Base-TX Ethernet 
interface cables are compatible with 
the printer. Use twisted pair cables 
suitable for network connections. A 
Category 5 100Base-TX is required. 

Is the computer configured correctly? 

Check the following settings on your 
computer and reconfigure any that 
are not correct. 

•  Make sure that the appropriate 

printer driver for your operating 
system is installed. 

•  Make sure that the port is set 

correctly in the printer driver. 

The Print Ready lamp is 
not on or flashing after 
executing the print 
command 

Is the printer IP address correct? 
(When using TCP/IP.) 

Consult your system administrator to 
obtain a valid IP address. Use the 
printer configuration list to confirm the 
IP address. 

 

Detailed Information for Brother HL-4000CN User's Guide

Lists of information found in Brother HL-4000CN User's Guide - Page 111

  • 6.7 “What to Do When an Error Message Appears” The Alarm lamp is flashing A problem that the user cannot rectify has occurred.
  • 5.1.
  • Make sure that the appropriate printer driver for your operating system is installed.
  • Make sure that the port is set correctly in the printer driver.

FAQ (Frequently Asked Questions) for Brother HL-4000CN User's Guide - Page 111

  • 6-3 6 6 . . 3 3 P P r r i i n n t t i i n n g g P P r r o o b b l l e e m m s s 6 6 . . 3 3 . . 1 1 I I n n d d i i c c a a t t o o r r s s a a r r e e o o n n , , f f l l a a s s h h i i n n g g , , o o r r o o f f f f . . Symptom Possible Cause Action The Alarm lamp is on Is there an error message on the control panel display?
  • The Print Ready lamp is off Is the control panel display on the menu screen?
  • See 5.1.3 “Buttons” Is the parallel, USB, or Ethernet interface cable loose or disconnected?
  • Is the network expansion card loose?
  • Does the parallel, USB, or Ethernet interface cable meet the required printer specifications?
  • Is the computer configured correctly?
  • The Print Ready lamp is not on or flashing after executing the print command Is the printer IP address correct?

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