Action
Yes
No
Step 4
Check if the print resolution is set to 600 dpi.
a
From the control panel, navigate to:
Settings
>
>
Quality
>
Print Resolution
b
Print the document.
Is the print light?
Go to step 5.
The problem is
solved.
Step 5
Check the status of the toner cartridge, and replace if necessary.
a
From the control panel, navigate to:
Status/Supplies
>
Supplies
b
Print the document.
Is the print light?
Contact your
. The problem is
solved.
Mottled print and dots
Note:
Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to
Settings
>
Troubleshooting
>
Print Quality Test Pages
. For non
‑
touch
‑
screen printer models, press
to
navigate through the settings.
Action
Yes
No
Step 1
a
Check if the printer is using a genuine and supported toner
cartridge.
Note:
If the cartridge is not supported, then install a
supported one.
b
Print the document.
Is the print mottled?
Go to step 2.
The problem is
solved.
Step 2
Check the printer for leaked toner contamination.
Is the printer free of leaked toner?
Go to step 3.
Contact your
.
Troubleshooting
170
Summary of Contents for 679
Page 48: ...Scanning 48 ...
Page 136: ...Maintaining the printer 136 ...
Page 144: ...Paper jam in door A 1 Remove the tray 2 Open door A Clearing jams 144 ...
Page 147: ...6 Insert the imaging unit Note Use the arrows inside the printer as guides Clearing jams 147 ...
Page 153: ...4 Close the ADF cover Clearing jams 153 ...
Page 197: ...b Connect the ISP extended cable to the ISP connector Upgrading and migrating 197 ...
Page 198: ...c Install the hard disk Upgrading and migrating 198 ...