Test Print; Overview; Printing Procedure Of Test Print Pattern - Epson AcuLaser C1100 Service Manual

EPSON AcuLaser C1100

3.6 Test Print

3.6.1 Overview

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.

3.6.2 Printing Procedure of Test Print Pattern

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 (P411).
W A R N I N G
When short-circuiting the pad, be careful not to contact the other
elements by hand or tool.
C A U T I O N
1 sheet of test print is printed out by 1 time of short-circuiting.
It cannot be printed when the engine is in error status.
As for Ready mode, refer to
TROUBLESHOOTING
(p.295)
"2.7 Operating Modes" (p.109)
Figure 3-5. Printing Test print Pattern
Test Print
Revision B
PWBA MCU
Leg_Sec002_003EB
274