Canon iR1210 Service Bulletin page 99

iR1210/iR1230 iR1270F
Model:
Installation Procedure
Location:
Countermeasure against light image after installation
Subject:
To notify the countermeasure against light image at an early stage after the installation.
Reason:
<Symptom>
Detail:
Light image may occur at an early stage after the machine installation or the developing unit
replacement.
<Cause>
This symptom occurs by the low toner tribo rate when toner is replenished into the new developing
unit. Therefore, density is recovered by making dozens of copies.
Service Work:
Follow the steps below in order to recover density with the minimum copy count.
As mentioned at " 1 3. Checking the Copy Images " in Installation Procedure, carry out Mix
Toner mode once, and make a copy with the NA-3 (test chart) to check the image. If density
recovery is necessary at this time, perform the following.
Carry out Mix Toner mode twice, and make a copy with the NA-3(test chart) to check the image.
[CAUTION]
If you continuously carry out Mix Toner mode more than 3times, the blade may be curled.
Do not continue the mode more than 3 times.
Repeat
As a guide, density is recovered after performing
In addition, light image may occur if user does not operate the machine for a long time.
However, above-mentioned measure is also effective for this case, so repeat the operation, " M ix Toner
mode×2, NA-3 copy×1 " a few times.
Service Bulletin
Issued by Canon Europa N.V.
until density is recovered.
COPIER
No.: iR1200S-007
(FF-T01-L6-000061-01)
20.12.02
DATE:
approx. 10 ∼ 20 times.
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