HP Color LaserJet CM1312 - Multifunction Printer - Page 206

is the case, replace the memory-card reader assembly. If the error still occurs, replace the
formatter.
Control-panel diagnostics
The product includes diagnostic tests for the control panel.
Test the control-panel display
1.
Press Setup
.
2.
Press both the left arrow button
and the Cancel button
at the same time.
3.
Press Setup
to return to the main menus.
4. Use the arrow buttons to highlight 2ndary Service, and then press OK.
5. Use the arrow buttons to highlight Display test, and then press OK.
Test the control-panel buttons
1.
Press Setup
.
2.
Press both the left arrow button
and the Cancel button at the same time.
3.
Press Setup
to return to the main menus.
4. Use the arrow buttons to highlight 2ndary Service, and then press OK.
5. Use the arrow buttons to highlight Button Test, and then press OK.
192 Chapter 7 Problem solve ENWW