EPSON AcuLaser CX11/CX11F Revision B
MAINTENANCE On-site Service 548
6.2.1 Details of On-site Servicing
This section explains the details of on-site servicing.
WHAT TO DO FIRST
1. Ask the user about the printer conditions.
Frequency of paper feeding errors (jams)
How the product has been used (paper type, printing frequency, environment,
etc.)
Image quality status (front and back, separately)
2. Check how the power cord is plugged, damage to the cord and plug, etc. to ensure
safety.
3. Print and check several status sheets to grasp the printer conditions.
4. Print the engine status sheet, and grasp the lives of the consumables, regular
replacement parts and how the product has been used.
TROUBLE REPEATABILITY CHECK
Perform troubleshooting according to the procedure given in Chapter 3.
1. Refer to Section “3.4.3 FIP” (p145) and confirm the trouble conditions and
execute troubleshooting.
2. If a fatal image quality problem (all white, all black, etc.) has occurred due to
engine failure, perform troubleshooting with reference to Section 3.4 Image
Quality-related Troubles “3.4.5 Printing Quality-related Trouble” (p248).
IMAGE QUALITY CHECK
1. Print the status sheet and confirm the image quality.
Image quality check items
Color balance
Color shift
Density (color) unevenness
Poor color reproducibility with low density
Others
2. If any of the image quality problem described above is shown:
Take corrective action with reference to Section “3.4.5 Printing Quality-
related Trouble” (p248).
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