Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F Revision B
TROUBLESHOOTING Printer 248
3.4.5 Printing Quality-related Trouble
Perform troubleshooting for print quality troubles following the flow chart below.
Figure 3-4. Printing-quality troubleshooting Entry Chart
The printing-quality troubleshooting described here is based on a condition that the
printer controller has no problems.
However, making a test print with only the engine side, allows you to find out roughly
which side (controller side or engine side) is causing the trouble, except for cases that
cannot be checked by the test print.
 Test print with the engine alone is normal → Printer controller trouble
 Test print on engine alone is abnormal → Printer engine trouble
If the probable cause is “printer controller trouble,” replace with a normal printer
controller and interface cable, and check.
If the trouble recurs after replacing with the normal parts, check on the host side, and
use the printer quality FIPs to perform efficient troubleshooting.
Leg_Sec001_001FA
END
END
Trouble restored?
Perform the appropriate troubleshooting
START
Make a sample test print
Is there an applicable FIP?
No
Yes
No
No
Yes
Yes
Trouble restored?
Replace Photoconductor Unit and
FUSER ASSY in that order
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Epson AcuLaser CX11 Specifications

General

Brand	Epson
Model	AcuLaser CX11
Category	All in One Printer
Language	English