Canon S820MG Service Manual page 83

S900/ S820/ S750/ S520
Cap open
Reserve discharge
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From
preceding
page
1
No
Head present?
Yes
Head power ON
Reading of head's
EEPROM
No
OK?
Yes
2nd time 1st time execution within dotted line
Purge unit initialization
OK?
Yes
Cartridge home
position obtained
OK?
Yes
1st time No head/2nd time
Paper feed roller
initialization
OK?
Yes
Paper discharge
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ManualsBooks
Procedure
within dotted
line executed?
No
Cartridge error (b)
Orange blinks 7
times
No
Purge sensor error
Orange/green toggle
blinking 4 times
No
Orange/green toggle
blinking 2 times
No
Orange/green toggle
blinking 3 times
Part 2: Troubleshooting
Yes
CR error
LF error