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.
Do vertical white lines appear on prints?
Go to step 2.
The problem is
solved.
Step 2
Fix slow printing problems. For more information, see
Do vertical white lines appear on prints?
Contact your
. The problem is
solved.
The printer is not responding
Action
Yes
No
Step 1
Check if the power cord is connected to the electrical outlet.
CAUTION—POTENTIAL INJURY:
To avoid the risk of fire or
electrical shock, connect the power cord to an appropriately
rated and properly grounded electrical outlet that is near the
product and easily accessible.
Is the printer responding?
The problem is
solved.
Go to step 2.
Step 2
Check if the electrical outlet is turned off by a switch or breaker.
Is the electrical outlet turned off by a switch or breaker?
Turn on the switch or
reset the breaker.
Go to step 3.
Step 3
Check if the printer is on.
Is the printer on?
Go to step 4.
Turn on the printer.
Step 4
Check if the printer is in Sleep or Hibernate mode.
Is the printer in Sleep or Hibernate mode?
Press the power
button to wake the
printer.
Go to step 5.
Troubleshooting
178
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 ...