Canon DR 7550C - imageFORMULA - Document Scanner, Справочное руководство

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Replacing the Transport Rollers
As the rollers start to wear out, feeding quality declines, and document feed errors, such as paper jams, become more likely.
If document feed errors continue to occur after cleaning the rollers, purchase the Roller Replacement Kit and replace the transport
rollers (pickup, feed, and retard rollers).
Roller Replacement Cycle
The feeding rollers are consumables that must be replaced
after feeding about every 250,000 pages.
When the rollers have fed more than 250,000 pages, a roller
replacement message appears on the display panel whenever
the scanner is turned ON. When the scanner is configured to
reboot with the computer, a roller replacement message also
appears on the computer screen.
IMPORTANT
• When the roller replacement message appears, purchase the
Roller Replacement Kit and replace the rollers by following the
relevant steps in the removing and reinstalling procedures.
– (See “Removing and Reinstalling the Pickup Roller” on p. 41.)
– (See “Removing and Reinstalling the Feed Roller” on p. 42.)
– (See “Removing and Reinstalling the Retard Roller” on p. 44.)
• When the rollers start to wear out, problems such as paper jams
and document misfeeds may occur more frequently. If this
happens, replace the rollers, regardless of the page count of the
roller usage counter.
• Messages on the display panel can be cleared by pressing the
Count Clear key. However, the messages will continue to be
displayed each time the scanner is turned ON until the roller
counter is reset.
• Make sure to reset the roller counter when replacing the rollers.
(See “Checking and Resetting the Page Counter” on p. 39.)
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Roller Replacement Kit
The Roller Replacement Kit consists of replacement
pickup, feed, and retard rollers. For details, contact your
local authorized Canon dealer or service representative.
Product Name: Roller Replacement Kit
Product Code: 4009B001
Checking and Resetting the Page Counter
The roller usage counter can be checked and reset using the
Roller Counter in the User Mode setting.
IMPORTANT
• This counter shows the number of pages transported by the
currently installed feed rollers. Make sure to reset the counter
when you replace the rollers.
• The Total Counter shows the total number of pages fed over the
life of the scanner, and cannot be reset.
Pickup Roller
Feed Roller
Retard Roller