Lexmark 436 manual Poor copy quality, Step

Troubleshooting 304

Poor copy quality

Action	Yes	No
Step 1	Clear the error or status	Go to step 2.
Check if an error or status message appears on the display.	message.
Does an error or status message appear?
Step 2	Go to step 3.	Increase the scan
Check the quality of the original document.		resolution setting for a
		higher‑quality output.
Is the quality of the original document satisfactory?
Step 3	Go to step 4.	See “Cleaning the
If dark marks appear on prints, then clean the scanner glass and the ADF		scanner glass” on
glass using a clean, lint-free cloth dampened with water.		page 210.
Is the scanner glass clean?
Step 4	Go to step 5.	See “Print quality
Send a print job, and then check for print quality problems.		problems” on
a From the General Settings menu, adjust the Eco‑Mode settings.		page 282.
b From the Copy menu, adjust the Darkness setting.
c If the print remains faded, then replace the toner cartridge.
Is the print quality satisfactory?
Step 5	Go to step 6.	Place the document or
Check the placement of the document or photo.		photo facedown on the
Make sure the document or photo is loaded facedown on the scanner		scanner glass in the
		upper left corner.
glass in the upper left corner.
Is the document or photo loaded correctly?
Step 6	Go to step 7.	Change the Content
Check the copy settings.		Type and Content
From the Copy screen, check if the Content Type and Content Source		Source settings to
		match the document
settings are correct for the document being scanned.
		being scanned.
Are the Content Type and Content Source settings correct for the
document being scanned?
Step 7	Go to step 8.	The problem is solved.
Check for patterns on print.
a From the printer control panel, navigate to:
Copy > Sharpness > select a lower setting
Note: Make sure no scaling is being selected.
b Resend the copy job.
Do patterns appear on prints?