Engine Test Print; Printing Method; The Pad For Test Print - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

3.4.5.1 Engine Test Print

To check the IOT operation, it is possible to print PWBA MCU built-in sample
continuously without being routed through the controller. If the problem does not occur
on the PWBA MCU built-in sample, the cause of the problem may be controller.

PRINTING METHOD

The test print cannot be made if an engine-related error has
C A U T I O N
occurred.
1. Remove the COVER ASSY LH.
W A R N I N G Never touch the energized or driving part when performing the
following procedure.
2. Set paper into MSI and turn the power on.
3. In Ready mode, short-circuit the pad for test print on the PWBA MCU with
a small screwdriver or a similar tool. The pad is located at upper right of
the interface connector .
When short-circuiting the pad, be careful not to contact the other
W A R N I N G
elements by hand or tool.
1 sheet of test print is printed out by 1 time of short-circuiting.
C A U T I O N
As for Ready mode, refer to
TROUBLESHOOTING
(p.321)
"2.2.7 Operating Modes" (p.122)
Figure 3-5. The Pad for Test Print
Printer
Revision B
PWBA MCU
Leg_002_003RB
249