Troubleshooting
ColorQube 8570/8870 Color Printer
User Guide
172
Removing Print Smears
This cleaning procedure eliminates ink smears on prints.
1.
On the printer control panel, select
Troubleshooting
and then press the
OK
button.
2.
Select
Print Quality Problems
>
OK
.
3.
Select
Remove Print Smears
>
OK
.
The printer prints several blank cleaning sheets as it goes through the cleaning process.
Eliminating Light Stripes
This procedure cleans the print head.
Notes:
•
Do not perform the advanced Eliminate Light Stripes procedure without performing two
basic Eliminate Light Stripes procedures first.
•
Make sure the PostScript printer driver is set to Enhanced print-quality mode.
•
Before running the Eliminate Light Stripes procedure, print the Light Stripes Test page to
check for incomplete or missing ink jets. For details, see
Printing the Light Stripes Test
Page
on page 173.
To clean the printhead:
1.
On the printer control panel, select
Troubleshooting
and then press the
OK
button.
2.
Select
Print Quality Problems
>
OK
.
3.
Select
Eliminate Light Stripes
>
OK
.
4.
Select
Start Basic Clean Cycle
>
OK
.
The printer will perform a printhead cleaning, which takes about five minutes. The printer then
prints a cleaning page and a Light Stripes Test page. If the Light Stripes Test page looks good, you
are done. If not, go to step 5.
5.
Repeat steps 1–4. Examine the Light Stripes Test page that prints. If there are no weak or missing
ink jets, you are done; if there are, go to step 6.
Note:
Perform the advanced Eliminate Light Stripes cleaning procedure only once.
6.
On the Light Stripes Test page, note the color and number of the weak or missing color stripe.
7.
On the control panel, in the Eliminate Light Stripes menu, select
Advanced
>
OK
.
8.
On the control panel, select the weak or missing color and then press
OK
.
9.
Select the number of the weak or missing jet and then press
OK
.
The printer prints several cleaning pages.
10. After the cleaning procedure is complete, if the problem persists, perform another basic cleaning.
If the problem is not corrected, try substituting a nearby functioning jet for the missing jet. For
details, see
Substituting an Ink Jet
on page 173.
Summary of Contents for COLORQUBE 8570
Page 8: ...Contents ColorQube 8570 8870 Color Printer User Guide 8 ...
Page 16: ...Safety ColorQube 8570 8870 Color Printer User Guide 16 ...
Page 50: ...Installation and Setup ColorQube 8570 8870 Color Printer User Guide 50 ...
Page 142: ...Maintenance ColorQube 8570 8870 Color Printer User Guide 142 ...
Page 178: ...Troubleshooting ColorQube 8570 8870 Color Printer User Guide 178 ...
Page 190: ...Regulatory Information ColorQube 8570 8870 Color Printer User Guide 190 ...
