4-39
Confidential
Problem Action to be taken
(10)White horizontal streaks • Perform the purge operation (Function code 76) several times to
remove dust or air bubbles from its nozzles. (Refer to Chapter 9,
Section 9.4.24.)
• Replace the head/carriage unit.
• Check the paper feed-related rollers.
• Perform the print head skew compensation with the head skew adjuster
knob. Refer to Chapter 7, Section 7.2, [ 4 ].
• Clean the head caps and wiper of the maintenance unit with a Rubycel
stick. For the cleaning procedure, refer to Chapter 8, Section 8.2
"CLEANING THE MAINTENANCE UNIT."
(11)Stained leading edge of
recording paper
Printer
• Perform a head cleaning operation.
• Check that the head/carriage unit is set into place.
• Check the height adjustment mechanism of the head/carriage unit
(Refer to Chapter 3, Section 3.2.2.3.)
• If the "head-platen gap offset" is enabled with assurance mode switch
AMS 02 (Function code 88), align the vertical print lines (Function
code 65). (Refer to Chapter 9, Sections 9.4.28 and 9.4.18.)
(12)Overlapping or separated lines
over the whole page
• Adjust the paper feeding correction value of the paper feed roller with
Function code 58 in the maintenance mode. (Refer to Chapter 7,
Section 7.2, [ 5 ].)
• Perform the print head skew compensation with the head skew adjuster
knob. Refer to Chapter 7, Section 7.2, [ 4 ].
(13)Overlapping or separated lines
at the trailing edge of the
recording paper
• Adjust the paper feeding correction value of the paper ejection roller
with Function code 58 in the maintenance mode. (Refer to Chapter 7,
Section 7.2, [ 5 ].)
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