Canon S100 Service Manual page 8

6. H/W Troubleshooting Flowchart
(Confirmation of printer operation when refurbishing)
Connect AC power
Can CR/LF motor
noise be heard?
Open front cover
Does CRG move to head
replacement position?
Yes
Install print head
Close front cover
Does print-head return to
home position? (listen for
Yes
Print the "Service Test Print"
Normal?
Is waste ink capacity
10% or higher ?
No
Connect the computer
by USB
Possible to print ?
Normal
<Note for normal printer refurbishment>
At the final step of refurbishment, be sure to set the purge reminder flag in accordance with
4. Service Mode <EEPROM RESET>. The purge reminder flag is set by initializing the EEPROM.
Unplug the power cord immediately, and do not print afterwards.
(Purge Reminder flag: Factory set so that purging operation will be performed twice when
user initially installs the print head.)
No
Yes
No
No
* Refer to "4.Service Mode"
regarding printing method.
No
Replace print-head and
Yes
re-print "service test print".
Normal ?
Yes
No
Yes
<Check items of "Service Test Print">
1) Non ejection of ink
2) Top margin:
3) Lines
4) Gray part
No
Yes
Defective
(Refer to the attached sample)
Yes ----------------------------> Fail
Outside of paper -------------> Fail
Not complete ----------------> Fail
Black/white lines ---> Fail