Canon FAXPHONE L75, Руководство по обслуживанию

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LASER CLASS 1060P Chapter 4: Maintenance & Service
• Dots
Solutions: (1) Clean the static charge eliminator in the toner transfer section.
(2) Check the static charge eliminator contact.
(3) Clean the transfer charging roller.
(4) Replace the transfer charging roller.
• Marks on back of papers
Solutions: (1) Copy a few white paper documents.
(2) If the marks are at intervals of approx. 50mm (1.96"), clean the transfer charging
roller, but if they are at intervals of approx. 63mm (2.48"), clean the pressure roller.
(3) Clean the paper feed guide and fixing entrance guide.
(4) Replace the transfer charging roller.
(5) Replace the pressure roller.
• Black vertical lines
Solutions:
(1) Open the front cover during printing, and remove the toner cartridge. Open the
cartridge drum cover shutter manually, and check whether there are black vertical
lines on the photosensitive drum. If there are black lines, replace the toner car-
tridge. If not, go the following step.
(2) Clean the face-down eject roller.
(3) Clean the fixing entrance guide.
(4) Replace the fixing ass’y.
• Irregular and smudged black vertical lines
Solutions:
(1) Clean the fixing entrance guide.
(2) Replace the toner cartridge.
• Irregular and smudged black horizontal lines
Solutions: If the irregular smudged black lines occur cyclically, replace the toner cartridge. If they
are non-cyclical, replace the fixing ass’y.
• Marks
Solutions: (1) If the marks are at intervals of approx. 50mm (1.96"), clean the transfer charging
roller; if they are at intervals of approx. 75mm (2.95"), clean the fixing ass’y; and if
they are at intervals of approx. 75mm (2.95"),or 38mm (1.5"), replace the toner
cartridge.
(2) Clean the paper feed guide.
(3) Clean the fixing entrance guide.