DELL 1720dn User Manual

							Place  the toner cartridge assembly on a  flat, clean surface.
4 .  Locate  the glass printhead lens, which is located  within  the recessed area in the top of the printer.
5 .  Gently  wipe the printhead lens  with a  clean, dry,  lint-free cloth.
6 .  Install the toner cartridge assembly into the printer by aligning  the blue arrows on the guides  of the toner cartridge
assembly with the blue arrows on the tracks in the printer and  pushing  the toner cartridge assembly in as far as it
will go.
7 .  Close  the front cover.
8 .  Turn on the printer.
NOTICE:  Do not leave the toner cartridge assembly exposed to  direct  light  for an extended period of time.
Extended  light  exposure  can  cause print  quality problems.
NOTICE:  Not using  a  clean, dry,  lint-free cloth  may result  in damage  to  the printhead lens.
 
						

							Operator Panel Lights
  Common Light Sequences
  Secondary Error  Light Sequences
  Paper  Jam  Secondary Light Sequences
  Printer  Status
The  operator  panel lights mean different things,  depending on their sequence. Lights  that  are off,  on,  and/or  blinking
indicate printer conditions  such as printer status,  intervention (for  example, load  paper),  or service. The  lights can  be
either  green or orange,  depending on what  they represent.
Common Light Sequences
The  following table shows  the most common light  sequences.  Click  the links in the right  column for more  information  on
what  you can  do.
Off OnSlow blink Fast Blink
 
ContinueReady/DataToner
Low/Replace
Drum
/
Load
Paper/Remove
Output
/
Paper
JamErrorPrinter Condition
        Not Ready
       Ready/Power  Saver
       Busy
       88  Toner Low
       Output Bin  Full  — Remove Paper
     Load  
 
     Load Manual    
     Insert Duplex Pages  in Tray 1,Then Press  Continue
  
    Hex  Trace  Ready
      Flushing/Resolution  Reduced
     Waiting
     84  Imaging Drum Life  Warning
    84  Replace Imaging Drum
Canceling  print  job
Resetting printer
Restoring  factory defaults
         
Close  the font cover
Insert toner cartridge
 
						

							Secondary Error Light Sequences
When  the Error  and  Continue   lights are both  on,  a  secondary error has  occurred. Press  the  Continue button 
twice  to  display  secondary code  light  sequences.  The  following table shows  the secondary error light  sequences.
Paper Jam Secondary Light Sequences
When  the  Error  and  Continue   lights are both  on,  a  secondary error has  occurred. Press  the  Continue button 
twice  to  display  secondary error code  light  sequences that  show the exact type of paper jam.  The  following table shows
the paper jam  light  sequences.
1 For  more information,  see  Paper  Jam  Secondary Light  Sequences.
2 For  more information,  see  Secondary Error  Light  Sequences.
      
Paper  jam1
       Printer  error2
Service  error
ContinueReady/DataToner
Low/Replace
Drum
/
Load  Paper/Remove
Output
/
Paper
JamErrorPrinter Condition
   
 30  Invalid  Refilled  Cartridge
   31  Missing  or Defective
Cartridge
   32  Unsupported Print
Cartridge
  34  Paper  Too Short
     35  Insufficient  Memory for
Resource  Save
   37  Insufficient  Memory to
Collate
   37  Insufficient  Defrag
Memory
   38  Memory Full
    54  Standard  Network
Software Error
  56  Standard  Parallel/USB
Port  Disabled
  58  Too Many  Flash  Options
ContinueReady/DataToner
Low/Replace
Drum
/
Load  Paper/Remove
Output
/
Paper
JamErrorPrinter Condition
    200 Paper  Jam  — RemoveCartridge*
201 Paper  Jam  — Remove
 
						

							Printer Status
Ready/Power Saver
The  printer is ready  to  receive  and  process data.
The  printer is in Power Saver mode.
Busy
The  printer is busy receiving and  processing  data, or is printing.
The  printer is defragmenting  the flash memory to  reclaim storage  space  occupied by deleted resources.
The  printer is formatting  the flash memory.
The  printer is storing resources, such as fonts  or macros,  in flash memory.
The  printer is printing a  directory, font list, menu  settings pages, or Print Quality Test Pages.
Hex Trace Ready
The  printer is in the Ready  mode, and  Hex  Trace  is active.  You  can  use Hex  Trace  to  troubleshoot printer problems.
Waiting
* Paper  jams at the input  sensor can be  either  after the paper leaves the tray  and enters  the printer or  in
the manual feeder.  
  
Cartridge
    202 Paper  Jam  — Open RearDoor
 
  231 Duplex Paper  Jam  —Open Rear Door
   232 Duplex Paper  Jam  —Remove Tray 1
  233 Duplex Paper  Jam  —Remove Tray 1
 
  234 Paper  Jam  — CheckDuplex
  235 Duplex Paper  Jam  —Unsupported Size
  241 Paper  Jam  — Check Tray1
  242 Paper  Jam  — Check Tray2
  251 Paper  Jam  — CheckManual  Feeder
NOTE:
 If  you want  to  change  the Power Saver setting, it  can  only  be set  from  the Local Printer  Settings Utility.
 
						

							The  printer is waiting until a  print  timeout occurs,  or until it  receives additional data.
Flushing/Resolution Reduced
The  printer is flushing  corrupted  print  data.
The  printer is processing  data or printing pages, but the resolution of a  page  in the current print  job is reduced
from  600 dots per inch (dpi)  to  300 dpi  to  prevent  a  memory full error.
Not Ready
The  printer is not ready  to  receive  or process data.
The  printer ports are offline.
 
						

							Troubleshooting
  Basic  Problems
  Print Quality Problems
  Error  Recovery
  Calling for Service
Basic Problems
Use  the following information  to  find solutions for printing problems you encounter. If  you cannot fix the problem, contact
Dell at  support.dell.com
.  You  may have  a  printer part that  requires  cleaning or replacement by a  service  technician.
The print  is  getting light, but  the Toner  Low/Replace  Drum  light  is  not  on.
1.  Remove the toner cartridge.
2 .  Firmly  shake  it  side -to -side  and  front-to -back  several  times  to  redistribute  the toner.
3 .  Reinsert the toner cartridge,  and  continue printing.
Repeat  this procedure multiple times  until the print  remains  faded. When  the print  remains  faded, replace the toner
cartridge.
The Toner  Low/Replace  Drum  light  is  on  (not  blinking).
1 .  Remove the toner cartridge.
2 .  Firmly  shake  it  side -to -side  and  front-to -back  several  times  to  redistribute  the toner.
3 .  Reinsert the toner cartridge,  and  continue printing.
Repeat  this procedure multiple times  until the print  remains  faded. When  the print  remains  faded, replace the toner
cartridge.
The Toner  Low/Replace  Drum  light  is  blinking.
The  imaging  drum is approaching full and  needs to  be replaced. Order  a  new imaging  drum.
The Toner  Low/Replace  Drum  and  the Error  lights are blinking.
The  imaging  drum is full and  needs to  be replaced. The  printer will not print  any more  pages until the imaging  drum is
replaced.
The Load Paper light  is  on, even though there is  paper loaded in Tray 1  or Tray 2.
Ensure  that  the tray  is pushed in all the way.
The printer  is  on, and  the Error  light  is  on.
Ensure  that  the printer cover is closed.
The operator  panel  lights do  not  come on  when the printer  is  turned on.
 
						

							Wait  to  see if the lights come  on.  This may take  a  few  seconds.
Ensure  that  the power cable  is firmly plugged in at the back  of the printer and  at the electrical outlet.
Pages are blank.
The  toner cartridge may be out of toner.  Replace the cartridge.
You  may have  a  software error.  Try turning the printer off and  back  on again.
The printer  is  on, but  nothing  prints.
Ensure  that  the toner cartridge is installed.
Ensure  that  the parallel, USB, or network cable  is firmly plugged into the connector  on the back  of the printer.
Press  and  release  the Continue button  to  print  a  menu  settings page  to  determine  if the problem is with the
printer or computer.
If  you can  print  a  menu  settings page, the problem is in the computer  or the software program.
If  you cannot print  a  menu  settings page, contact  Dell at  support.dell.com.
You cannot close the front  cover.
Ensure  that  the toner cartridge is positioned correctly.
The printer  has missing or damaged  parts.
Contact  Dell at support.dell.com.
You have  a paper jam.
When  a  paper jam  occurs,  the printer stops and  the operator  panels   Paper  Jam  and  Continue   lights come  on.
Press  and  release  the  Continue button 
 twice  quickly  to  display  the specific  secondary error paper jam  light  sequence.
Dell recommends you clear  the entire  paper path  when  a  paper jam  occurs.
1.  If  you are feeding  paper from  a  tray, remove the tray, and  then  remove any jams.
2 .  Open the front cover,  and  then  remove the toner cartridge assembly.
 
						

							3.  Remove any jams  in the area behind the toner cartridge assembly.
4 .  Lift the flap  at the front of the printer, and  remove any jams  beneath the flap.
5 .  Open the rear exit, and  remove any jams.
6 .  Reinstall  the toner cartridge assembly, and  then  close  the front and  rear covers.
7 .  Replace the paper trays, ensure that  they are closed,  and  then  press  the  Continue button 
 to  resume printing.
NOTE:  The  printer reprints the pages that  caused the paper jam.
Print Quality Problems
Use  the following information  to  find solutions for printing problems you encounter. If  you cannot fix the problem, contact
Dell at  support.dell.com
.  You  may have  a  printer part that  requires  cleaning or replacement by a  service  technician.
NOTICE:  Do not leave the toner cartridge assembly exposed to  direct  light  for an extended period of time.  Extended
light  exposure  can  cause print  quality problems.
 
						

							Print is  too light.
The  Toner Darkness1 setting  is too  light.
You  are using  paper that  does  not meet the printer specifications.
The  toner cartridge is low  on toner.
The  toner cartridge is defective.
Try the following:
Select a  different Toner Darkness1 setting  from  the printer software before sending the job to  print.
Load paper from  a  new package.
Avoid  textured  paper with rough  finishes.
Ensure  that  the paper you load  in the trays is not damp.
Replace the toner cartridge.
Print is  too dark, or the background  is  gray.
The  Toner Darkness1 setting  is too  dark.
The  toner cartridge is defective.
Try the following:
Select a  different Toner Darkness1 setting  from  the printer software before sending the job to  print.
Replace the toner cartridge.
White lines appear on  the page.
The  printhead lens  is dirty.
The  toner cartridge is defective.
The  fuser  is defective.
Try the following:
Clean the printhead lens.
Replace the toner cartridge.
Replace the fuser.2
Streaked horizontal  lines appear on  the page.
The  toner cartridge may be defective, empty, or worn.
The  fuser  may be worn or defective.
Try the following:
Replace the toner cartridge.
 
						

							Replace the fuser.2
Streaked vertical lines appear on  the page.
Toner is smeared  before fusing to  the paper.
The  toner cartridge is defective.
Try the following:
If  the paper is stiff,  try feeding  from  another tray  or the manual feeder.
Replace the toner cartridge.
The page contains print  irregularities.
Paper  has  absorbed moisture  due  to  high humidity.
You  are using  paper that  does  not meet the printer specifications.
The  fuser  is worn or defective.
Try the following:
Load paper from  a  fresh  package into the paper tray.
Avoid  textured  paper with rough  finishes.
Ensure  that  the printer software  Paper  Type setting  matches the type of paper you are using.
Replace the fuser.2
The transparency  print  quality  is  poor.  (Print has inappropriate  light  or dark spots,  toner  is  smeared,
or horizontal  or vertical light  bands appear.)
You  are using  transparencies that  do not meet the printer specifications.
The  Paper  Type  setting  in the printer software is set  to  something  other than  Transparency.
Try the following:
Use  only  transparencies recommended by Dell.
Ensure  that  the printer software  Paper  Type setting  is transparency.
Toner  specks appear on  the page.
The  toner cartridge is defective.
The  fuser  is worn or defective.
Toner is in the paper path.
Try the following:
Replace the toner cartridge.
Replace the fuser.2