Samsung CLP 550 User Manual

SOLVING PROBLEMS7.23
7
Vertical linesIf black vertical streaks appear on the page:
• The imaging unit inside the printer has probably been 
scratched. Install a new imaging unit. 
If white vertical lines appear on the page:
• The Laser Scanner window has probably been contaminated. 
Clean the Laser Scanner window. Holding the end of the 
cleaner, slide it in and out several times. See “Cleaning the 
LSU Inside the Printer” on page 6.30.
Color or Black 
backgroundIf the amount of background shading...

SOLVING PROBLEMS7.24
Background scatterBackground scatter results from bits of toner distributed on the 
printed page. 
• The paper may be too damp. Try printing with a different batch 
of paper. Do not open packages of paper until necessary so 
that the paper does not absorb too much moisture.
• If background scatter occurs on an envelope, change the 
printing layout to avoid printing over areas that have 
overlapping seams on the reverse side. Printing on seams can 
cause problems.
• If background...

SOLVING PROBLEMS7.25
7
Back of printouts 
are dirty• The transfer roller may be dirty. See “Cleaning the Inside of 
the Printer” on page 6.31.
• Check for leaking toner. Clean the inside of the printer. 
Color or Black 
pages• The imaging unit may not be installed properly. Remove the 
imaging unit and reinsert.
• The imaging unit may be defective and need replacing. Install 
a new imaging unit.
• The printer may require repairing. Contact a service 
representative.
Loose toner• Clean the inside of the...

SOLVING PROBLEMS7.26
Understanding Display Messages
Messages appear on the display on the control panel to indicate 
the printer’s status or errors. Refer to the tables below to 
understand the message’s meaning and correct the problem if 
necessary. Messages and their meanings are listed in 
alphabetical order.
NOTE: When you call for service, it is very helpful to tell the 
service representative the display message.
MessageStatusDo this...
ADC Not
Confirm ErrorA problem has occurred 
in the ADC in the...

SOLVING PROBLEMS7.27
7
Invalid
Imaging UnitAn invalid imaging unit 
is installed.Only install a Samsung-approved 
imaging unit, designed for your 
printer. If you have installed an 
approved imaging unit and this 
error still occurs, contact an 
authorized service agent.
Invalid NewToner
[Color]An invalid new toner 
cartridge is installed.Only install a Samsung-approved 
toner cartridge, designed for your 
printer. If you have installed an 
approved toner cartridge and this 
error still occurs, contact...

SOLVING PROBLEMS7.28
Load Manual
Press Cont KeyThe Multi-purpose Tray 
is empty in the manual 
feed mode.Load a sheet of print material and 
press the 
On Line/Continue 
button. You need to press the 
button for each page to be printed.
Load
[Size] In Tray1
Load
[Size] In Tray2
Load
[Size] In MpThe paper size specified 
in the printer properties 
does not match the 
paper you are loading.Load the correct paper in the tray.
Main Motor 
ErrorA problem has occurred 
in the main motor of the 
printer.Unplug...

SOLVING PROBLEMS7.29
7
Replace [Color]
TonerThe corresponding toner 
cartridge in your printer 
is empty.Replace the corresponding toner 
cartridge with a new one. See 
page 6.8.
Replace Fuser The lifetime of the fuser 
is done.Contact a service representative.
Replace Fuser Soon The lifetime of the fuser 
is nearly done.When “Replace Fuser” appears on 
the display, replace the fuser. 
Replace 
Imaging UnitThe lifetime of the 
imaging unit is done.Replace the imaging unit with a 
new one. See page 6.14....

SOLVING PROBLEMS7.30
Common Windows Problems
NOTE: Refer to the Microsoft Windows 9x/Me/NT 4.0/2000/XP 
User’s Guide that came with your PC for further information on 
Windows error messages.
Tray2 Jam
Cover OpenTray2 jam cover is open. Close Tray2 cover firmly.
Waste Motor 
ErrorA problem has occurred 
in waste toner motor.Contact a service representative.
Waste Toner Tank
Full/Not InstallThe waste toner 
container is full.Replace the waste toner container 
with a new one. See page 6.11.
MessageStatusDo...

SOLVING PROBLEMS7.31
7
Common Macintosh Problems
Problems in the Chooser
Printing Errors
ProblemPossible Cause and Solution
The printer driver icon 
does not appear in 
Chooser.Software is not installed correctly.
• The LaserWriter driver should be present as part of the 
Macintosh OS. Make sure that the LaserWriter driver is in the 
Extensions folder within the Systems folder. If not, install 
the LaserWriter driver component from the Macintosh OS CD.
• Make sure that you are using a high-quality...

SOLVING PROBLEMS7.32
Troubleshooting PS Errors
The following situations are PS language specific and may occur 
when several printer languages are being used.
NOTE: To receive a printed or screen displayed message when PS 
errors occur, open the Print Options window and click the desired 
selection next to the PostScript errors section.
ProblemPossible CauseSolution
PostScript file can not 
be printed.The PostScript driver 
may not be installed 
correctly.
Or a problem has 
occurred in the 
PostScript...