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EPSON Stylus PHOTO 950
Revision A
TROUBLESHOOTING
Overview
90
3.1.6.10 CR Motor Operation Abnormal
This section describes the procedures for checking printers that have been returned
because the printing speed suddenly became much slower after having operated
normally up until then. This problem basically cannot be immediately reproduced
when carrying out repairs. This description concentrates on why problem occurs. To
remedy the problem, canceling the transmission of printing data or turning off the
power, wait about 15 minutes and then start printing again. Printing should then return
to normal speed. This resetting method should be taught to the customer.
Table 3-24. CR Motor Operation Abnormal
Step
Check Point
Remedy
1
Is no problem apparent
when printing is carried
out?
If a problem is found, refer to the appropriate section of
surface problems and take the appropriate measures. If no
problem is found, continue to the next step.
2
Check the customer's
usage environment.
When DC motors are continually used, they become hot, and if
they become too hot it can cause the coil inside the motor to
seize. To prevent this from happening, the Stylus PHOTO 950
carries out the following controls.
1. If continuous printing is carried out for 150 pages and
printing continues past this, the carriage drive speed does
not change but a 3-second waiting time is introduced after
each pass is completed. This always occurs when the
carriage moves from left to right or from right to left.
2. In addition to the above condition, the same operation is
performed if printing has been carried out continuously for
35 minutes, even if the number of continuous pages printed
does not reach 150.
NOTE:
This operation causes the printing speed to remain at
the slow speed without returning to normal as long as
the current print job continues. If the speed does not
automatically return to normal, it is different from the
SIDM Printhead protection operation.
To return the printing speed to normal from the above,
momentarily pause the transmission of printing data from the
computer, or turn the printer's power off and wait 15 minutes.
The speed will then return to normal.
It's impossible for the user to know this carriage motor
protection control, that because user's guide does not mention.
Make sure to explain this control if you receive a question
from your user.
Содержание Stylus Photo 950
Страница 1: ...EPSONStylusPHOTO950 Color Inkjet Printer SEIJ01 015 SERVICE MANUAL ...
Страница 5: ...Revision Status Revision Issued Date Description A April 5 2002 First Release ...
Страница 8: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 25: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 53: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 91: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 132: ...C H A P T E R 5 ADJUSTMENT ...
Страница 158: ...C H A P T E R 6 MAINTENANCE ...
Страница 174: ...C H A P T E R 7 APPENDIX ...
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