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3.6 Printer Unit Test
1. You can check the printer with the FCB PCB disconnected from the unit (Sections 2.5).
2. Press the Test Pattern Print Switch (SW401) on the LPC PCB as shown below.
3. The Test Pattern prints. Check the print Quality.
Note:
When the unit is in Sleep Mode, Fax Parameter No. 34 (Energy Saver Mode) is ON, the unit will not print
the test pattern. Press any key on the control panel to wake up the unit, then complete the procedure.
Pattern Selection method Stop method
Pattern 0 1-dot Horizontal line Switch ON for less than 2 seconds
(400 dpi printing)
Switch ON again for less than 2
seconds
Switch ON for 2 seconds or more
(600 dpi printing)
Pattern 1 Blank page Switch ON for 2 seconds or more
while the Pattern 0 is printing
Switch ON again for less than 2
seconds
LPC PCB
CN57
CN58
Test Pattern
Print Switch
CN61
SW401
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