DELL 1720 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 ....

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...

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...

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...

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...

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...

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...

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...

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...