Epson WF-C5790 Service Manual page 152

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a
 Troubleshooting
Step
Check the operation when blank pages are ejected.
Check the operation during blank paper ejection according to the procedure described
below.
 Double feeding:
Two pages are ejected simultaneously; the first page is already printed, and the
1
second page is blank.
 Blank pages are ejected:
The CR Unit is not operating, and the pages are ejected.
 Blank pages are printed:
The CR Unit is performing the print operation (operating to the left and right), but
pages are ejected without being printed.
Check the paper
1. Check whether or not using paper that is thick such as paper that has already been
printed on.
2. Check whether or not the paper size and edge guide position are appropriate.
2
Check if the paper used and the paper setting condition are normal.
Check the settings
Check whether or not the paper settings of the main unit and driver are appropriate.
Check whether or not blank paper parts are included in the print data.
3
Is the paper setting appropriate?
Check the network.
If the data does not arrive for 5 or more minutes after the print command, blank paper is
4
ejected due to a timeout error.
Check whether or not blank print is occur by internal printing (status sheet, etc.).
Check the Pickup Roller Assy (pickup/separation roller).
Check the status of the Pickup Roller Assy according to the procedure below.
 Check if the Pickup Roller Assy is installed properly.
 Check if the rollers of the Pickup Roller Assy is dirt.
5
 Check if the rollers of the Pickup Roller Assy is worn out.
Make sure the Pickup Roller Assy is in the normal state.
Troubleshooting
Check and measure
Troubleshooting procedure
Yes
 When blank pages
are ejected
Go to step 2  When occurring double feeding
 When blank pages Refer to Double feeding (P.
are printed
Go to step 6
1. Change the standard paper.
2. Set the edge guide of paper cassette correctly.
 When the phenomenon is improved
Explain that the phenomenon is caused due to the paper, and
Go to step 3
improper paper guide position, and get the paper and paper
guide position setting changed.
 When the phenomenon is not improved
Go to step 3
Change the paper settings.
 When the phenomenon is improved
Explain that the phenomenon is caused due to an erroneous
Go to step 4
paper setting, and get the paper setting corrected.
 When the phenomenon is not improved
Go to step 4
If printing wirelessly, check whether prints with a wired
connection.
Go to step 5
If the symptom continues to occur, contact the EPSON Service
Department.
 When the Pickup Roller Assy is not installed properly
Reinstall the Pickup Roller Assy properly.
 When the rollers is dirt
Clean the rollers.
Go to step 6
 When the rollers is worn out
Replace the Pickup Roller Assy
(p. 453).
If the symptom continues to occur, go to step 6.
Revision A
No
159).
(p. 453) and Retard Roller
152
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