Dell 1110 Printer .....when prints there is a mark every 3/8 " or

What application are you using to print text? Word?
Try a simple application, like Notepad or Wordpad, to print some simple two-liner text.
Does printer print ALL the text on left side or just the half of printable material?
Even if you are indicating that page size is correct, looks to me some problem with the selection of print area.

I hate to state the obvious, but how long has it been since you've changed the ink cartridges on the printer. If you have done both the nozzle cleaning and print head alignment and nothing appeared on the paper, I don't know what else it could be.
This following suggestion is very rare - if you recently replaced the cartridges and your printer hasn't printed since then, it is possible that you installed them incorrectly; OR perhaps you left the head protector tape on the cartridge. But then it wouldn't "see" the cartridge.
In the "rare" situations, you should try to remove and replace the cartridges to assure that they are properly installed.

If you have trid a different toner cartridge, then I would first try a new drum (not sure if toner & drum are in same cartridge, some are so you will have to check that) If not that, then I would suggest the transfer roller bar would be my next suspect if the printer has a lot of copies done on it.

This is caused by partially blocked ink nozzle. So Apply a folded tissue paper to the ink nuzzle and press firmly. If the tissue comes off well blotted with ink it means you still have a good amount of ink in it and the nozzle is not blocked; ink is flowing well. If not blotted or scantily blotted, it means ink is really low or nozzle is blocked or partially blocked. To be very sure of this, place nuzzle in a plate/saucer with a bit water so that the nozzle is soaked. Leave for about 10 minutes. Then apply the tissue again. If still not well blotted it means ink is really low or empty. If new you should return it for a replacement. In the case of blocked nozzles, the procedure may be repeated over to get results.

Good luck & God bless!

you may need to poke down the absorber foams below the ink cartridges. See if accumulations of blotted ink takes place. Wipe it or spray some windex. You may also need to wipe the roller with dampened clothe. Printed of the ink cartridge ma also need to be clean. Softly press it in a towel moistened with alcohol to remove ink residue in the print head.

Thoroughly clean all the ink residue from around the ink cartridges, some ink is sprayed every time you print.

Make sure the printer cartridge is not punctured or damaged. You can check this by taking out the cartride and look for ink spilled on it.

the printer needs to be reset , close the program , shut down and reboot .
make sure you turn off the printer and then restart when the system has been fully loaded

I Am Experiencing Poor Print Quality With My Dell™ Printer

Table of Contents
Verify the Printer Ink Levels Using the Dell Printer Solution Center
Clean the printer contacts and print a test page
Clean the Printer Nozzles Using the Dell Printer Solution Center
Dell™ Printer Additional Information
» Verify the Printer Ink Levels Using the Dell Printer Solution Center

Poor print quality of a document or picture may be the result of low ink levels or dirty printer nozzles or contacts.

To check the printer's ink levels, perform the following steps:

1.

Click the Start button, point to All Programs, point to Dell Printers, and then point to Dell (printer model).
2.

Click Dell Printer Solution Center.

3.

Locate the printer's ink levels on the lower right corner of the Dell Printer Solution Center window.
4.

If the printer's ink levels indicate that ink cartridges are empty, click the Order Ink button to place an online order for replacement ink cartridges.

For information about ordering ink for your Dell printer, refer to article: Obtaining Ink for a Dell™ Printer


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» Clean the printer contacts and print a test page

To manually clean the printer nozzles and contacts, perform the following steps:

1.

Turn the printer off and remove the power cord from the back of the printer.
2.

Open the printer lid.
3.

Manually move the ink-cartridge carrier to the left by gripping the top of the rubber carrier belt and gently pulling it across towards the right hand side of the printer.
4.

Take a warm, semi-damp paper towel and gently clean the wiper on the right side of the maintenance station.
5.

Lift up on the cap(s) that cover the ink cartridge(s).
6.

Remove the ink cartridge(s), and using a new warm, semi-damp paper towel, gently clean the contacts on the ink cartridge(s).
Verify that the contacts on the ink cartridge(s) is/are sufficiently dry prior to re-inserting into the printer.
7.

Re-insert the ink cartridge(s) back into the correct printer slot(s).

7.

Close the printer lid.
8.

Re-attach the printer power cord to the back of the printer unit.
9.

Press the Power button to turn the unit back on.
10.

Click the Start button, point to All Programs, point to Dell Printers, and then point to Dell (printer model).
11.

Click Dell Printer Solution Center.
12.

Click the Maintenance tab.
13.

Click the Print a test page icon.
A test page prints.


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» Clean the Printer Nozzles Using the Dell Printer Solution Center

To clean the printer nozzles and contacts using the Dell Printer Solution Center:

1.

Click the Start button, point to All Programs, point to Dell Printers, and then point to Dell (printer model).
2.

Click Dell Printer Solution Center.
3.

Click the Maintenance tab.
4.

Click the Clean to fix horizontal streaks icon.
5.

Click the Print button.

Note:
The printer will make sounds when cleaning the nozzles that are not commonly heard during normal usage

you need to replace the color print head.it right under your color cartidg.