Brother Laserprinter Hl 1650 1670n User Guide

CHAPTER 6 TROUBLESHOOTING
6-25
I I
m m
p p
r r
o o
v v
i i
n n
g g
   
t t
h h
e e
   
p p
r r
i i
n n
t t
   
q q
u u
a a
l l
i i
t t
y y
This section provides information on the following topics:
Image defect examplesRecommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
CDEF
d
efg
BC
b
cd
23
Faint
•  Check the printers environment. Conditions such as humidity,
high temperatures, etc. may cause this print defect to occur. See
“Place the printer” in Chapter 1.
•  If the whole page is too light, toner save...

6-26
Image defect examplesRecommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Toner specks
•  Make sure you use paper that meets the specifications. Rough
surfaced paper may cause this problem.  See “What kind of
paper can I use?” in Chapter 1.
•  The Toner car tridge may be damaged.  Install a new Toner
car tridge.  See Replacing the Toner car tridge in Chapter 5.
Hollow print
•  Make sure you use paper that meets the specifications.   See
“What kind of paper can I use” in Chapter 1.
• Select the...

CHAPTER 6 TROUBLESHOOTING
6-27
Image defect examplesRecommendation
94 mm
(3.7 in.)
94 mm
(3.7 in.)
White Spots
Printed pages have white spots in black
text and graphics at intervals of 94 mm
(3.7 in.).
94 mm
(3.7 in.)
94 mm
(3.7 in.)
Black Spots
Printed pages have black spots at
intervals of 94 mm (3.7 in.).
•  If the problem is not solved after printing a few pages, the drum
unit may have glue from label stock on the OPC drum surface.
•  Clean the drum unit as follows:
1. Position the print sample in...

6-28
Image defect examplesRecommendation
94 mm
(3.7 in.)
94 mm
(3.7 in.)
White Spots
Printed pages have white spots in black
text and graphics at intervals of 94 mm
(3.7 in.).
94 mm
(3.7 in.)
94 mm
(3.7 in.)
Printed pages have black spots at
intervals of 94 mm (3.7 in.).
!Caution
Do not try to clean the surface of the photosensitive drum with
anything sharp, such as ball-point pen, etc.
 
 
• The Toner car tridge may be damaged.  Install a new Toner
car tridge. See “Replacing the Toner car tridge” in...

CHAPTER 6 TROUBLESHOOTING
6-29
Image defect examplesRecommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Black Horizontal repetitive defects
Toner scatters and stains the printed
page.
•  The Toner car tridge may be damaged.  Install a new Toner
car tridge.  See Replacing the Toner car tridge in Chapter 5.
•  Make sure you use paper that meets specifications.  See “What
kind of paper can I use?” in Chapter 1.
Note
•  If you use label sheets for laser printers, the glue from the sheets
may sometimes stick...

6-30
Image defect examplesRecommendation
.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
White Vertical streaks
•  You may clear the problem by wiping the scanner window with a
soft cloth.  See “How to clean the printer” in Chapter 5.
•  The Toner car tridge may be damaged.  Install a new Toner
car tridge.  See Replacing the Toner car tridge in Chapter 5.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Page skew
•  Make sure the paper or other media is loaded into the paper
cassette correctly and that the guides are not...

CHAPTER 6 TROUBLESHOOTING
6-31
H H
o o
w w
   
t t
o o
   
p p
r r
i i
n n
t t
   
c c
o o
r r
r r
e e
c c
t t
l l
y y
ProblemRecommendation
The printer prints unexpectedly
or it prints garbage.•  Make sure the printer cable is not too long.  We recommend you
use a parallel cable of less than 2 metres (6 1/2 feet) in length.
•  Check if the printer cable is damaged or broken.
•  If you are using an interface switching device, remove it and then
connect your computer directly to your printer and try...

6-32
ProblemRecommendation
My headers or footers appear
when I view my document on
screen but do not show up on
printed pages.•  Most laser printers have a restricted area that cannot be printed
on. Usually the first two lines and the last two lines of a page
cannot have print (leaving 62 printable lines).  Adjust the top and
bottom margins in your document to allow for this. 

CHAPTER 6 TROUBLESHOOTING
6-33
O O
t t
h h
e e
r r
   
p p
r r
o o
b b
l l
e e
m m
s s
ProblemRecommendation
The printer cannot print.
“There was an error writing to
LPT1: (or BRUSB) for the
printer.” error message occurs
on your PC.•  Check that the printer cable is not damaged or broken.
•  Make sure the correct printer is selected if you have an interface
switching device.
F F
o o
r r
   
D D
O O
S S
   
u u
s s
e e
r r
s s
ProblemRecommendation
Unable to print from
application software.•  Check that...

6-34
B
B
R
R
-
-
S
S
c
c
r
r
i
i
p
p
t
t
 
 
3
3
 
 
l
l
a
a
n
n
g
g
u
u
a
a
g
g
e
e
ProblemRecommendation
The printer cannot print.If 
“IGNORE DATA ” appears on the LCD message, please do the
following.
1. Reset the printer.
2. Set the  “ERRORPRINT ” ON, and print again.
3.   If the E rr or  is  “ LIMITCH EC K”, add the optional memo ry .  See
“ In stalling additional memo ry ” in Chapter  4.
The print speed slows down.Add the optional memory.  See “Installing additional memory ” in
Chapter 4.
The...