Brother Ppf 3750 Plain Paper Laser Fax Owners Manual

99TROUBLESHOOTING AND MAINTENANCE
Print Quality
Difficulties
(Print Operations
are Available with
Software Option)
Copy Quality
Difficulties
White Stripes or
Faint lmages
Dark Stripes or Toner Stains
White Spots
Scattering Toner
White page
Black Page
 DIFFICULTY SUGGESTIONS
Vertical streaks appear in Sometimes you may see vertical streaks on your copies.
copies. Either the scanner or the primary corona wire for printing
is dirty.  Clean them both.  (See pages 109 and 111.)
Printouts are too dark or...

100CHAPTER THIRTEEN
Example of Regular Marking
Ghost Images
The drum unit is a consumable item and it is necessary to replace it
periodically.
 




 





DIFFICULTY SUGGESTIONS
Printed pages are marked Markings may disappear by themselves. Try copying
at regular intervals. multiple pages to clear this problem. Markings may occur
if the fax machine has not been used for a long time.  A
possible cause is that the surface of the drum is scratched. You
must then replace the drum unit with a new one.  If...

101TROUBLESHOOTING AND MAINTENANCE
Difficulties Setting Up The Optional
Software
Problem Using the HP Pavilion PC and the ÒHP DEMOÓ
Screen Saver
If you select the ÒHP DemoÓ screen saver on your HP Pavilion PC after you
have installed the optional Multi-Function Link Pro software, the
System.ini file is overwritten and you cannot use the Brother fax machine to
print, scan, or for Remote Setup.
If you have used the HP Demo screen saver already, you must edit the
System.ini file as follows:
[boot]...

102CHAPTER THIRTEEN
Fax Machine Connect Failure or Bi-Directional
Communication Error
Recently, some printers have included a function to show the printer status on
the PC display.  Such printers use the bi-directional communication parallel
port between the printer and the PC.  Our Brother printer driver also has a
bi-directional parallel port function. Since Windows
¨ 3.1x does not support
bi-directional communication on the parallel port, each peripheral vendor has
developed and supplied a...

103TROUBLESHOOTING AND MAINTENANCE
HP LaserJet series II, IID, IIP, IIP+, III, IIID or IIIP:
If Microsoft Windows¨ Printing System is used for the above models, you
must modify the Òwin.iniÓ file in the Windows
¨ directory to turn the
printers bi-directional function off.
We recommend that you do a back-up before you modify the WIN.INI or
SYSTEM.INI files, just in case.
Open the Òwin.iniÓ file using the ÒNotepadÓ application. Look for the
following statement in the [spooler] section.
[spooler]
QP.LPT1 =...

104CHAPTER THIRTEEN
HP LaserJet 4 Plus:
Please uninstall the Main Status windows by double clicking the Un-install
Status windows in HP LaserJet group.
NEC SuperScript 610/660:
Please remove the NEC SuperScript driver by running the NECDELET.EXE
file in Disk 1 included with NEC printers.
EPSON ActionLaser 1100 / 1400:
Please remove the EPSON Action Laser 1100/1400 driver by running the
EPDELETE.EXE file in the Windows
¨ Printer Driver for these models.
Lexmark WinWriter  200:
You have to modify the...

105TROUBLESHOOTING AND MAINTENANCE
Then, open the Òsystem.iniÓ file using the ÒNotepadÓ application. Look for
the following statement in the [386Enh] section:
[386Enh]
device=wpscomd.386
device=wpsljvpd.386
:
:
WPSLPT1=1
Then disable the function by adding a semicolon at the beginning of above
sentences as follows:
[386Enh]
;device=wpscomd.386
;device=wpsljvpd.386
:
:
;WPSLPT1=1
You must restart Windows
¨ to make these modifications effective.
The modifications disable the printer status reporting on...

106CHAPTER THIRTEEN
Packing and Shipping the
Fax Machine
Whenever you transport the fax machine, use the packing materials that
came with your machine.  Also, follow the steps below to pack the fax
machine or it may be damaged, which will void the fax machineÕs warranty.
1Remove the line cord and unplug the fax machine from the AC outlet.
2Open the top cover.
3Hold the drum unit assembly by its handles and remove it.
WARNING
Remove the drum unit and toner cartridge assembly.  Leave the toner
cartridge...

107TROUBLESHOOTING AND MAINTENANCE
4Place the drum unit and toner cartridge assembly into the plastic bag
and seal the bag completely.
           
Plastic
Bag
Drum
Unit
Toner
Cartridge
5Close the top cover.  Remove the wire extension, document tray, dust
cover, paper tray and handset and pack them.
6Wrap the fax machine in the plastic bag and place it in the original
carton with the original packing material. 

108CHAPTER THIRTEEN
7Place documents (manual and printed material) and the drum unit and
toner cartridge assembly into the original carton as shown below:
8Close the carton and tape it shut.