Canon i9900, i9950 Service Manual
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Service specifications
i9900/i9950
i9100
Service print head number
QY6-0055
QY6-0039
The number of pages
15.75 k pages
10 k pages
*Full waste ink error
Period
3.75 years
2.4 years
Service mode
Service print pattern
A4 (vertical)
A3 (Possible to be
printed on A4 sized
paper (horizontal)
printed on A4 sized
paper (horizontal)
Service mode
On EEPROM
information printing
(the number of
A3/A3+ pages passed
is displayed.)
information printing
(the number of
A3/A3+ pages passed
is displayed.)
Yes No
Serviceability ROM
version
up
Due to flash ROM,
possible to rewrite
using tool.
possible to rewrite
using tool.
Due to mask ROM
use, exchange at the
board level.
use, exchange at the
board level.
* Under normal use condition for the A3 model, calculated with 21k pages/5 years.