Service Work - Canon Color Image Reader - L1 Service Manual

2
Technology

Service work

Measurement during parts replacement
Perform adjustment and clear counters for the below parts replacement.
(For the detail procedure, refer to the adjustment description.)
Parts name
1. RAM Clear
1-1) Before RAM Clear
a. P-PRINT output
b. Using SST, upload R-CON back up data.
1-2) After RAM Clear
c. Using SST, download R-CON back up data.
2. Replacement
2-1) Before Replacement
Reader
a. P-PRINT output
controller
b. The newest system software download
PCB
2-2) After Replacement
c. Input or adjustment of MTF value
d. Enter the service label value (1)
e. Front&Back linearity matching for computation
f. Enter the service label value (2)
g. Sensor output adjustment
h. Tray width adjustment
i. P-PRINT output
a. Input the service label value packaged in the scanner unit content
b. Sampling of B&W shading target
c. White label adjustment
Scanner unit
d. Scanner unit replacement fl ag setting
e. Copy image check and MTF adjustment
f. Write the value in the service label
a. Input white label data of standard white plate
Copyboard b. Sampling of B&W shading target
glass c. White label adjustment
d. Write the value in the service label
2
Technology
Measure Reference
5-3
5-5
5-7
Periodical service
When it gets close to its duration period, be sure to clean or replace the concerned parts.
Item Parts name
Periodically replacement
-
parts
Consumables -
Copyboard glass (surface/back)
Stream reading glass
Periodic service (surface/back)
Scanner rail / shaft
Caution during service
When dealing with the below parts, be careful not to cause breakage or damage.
Parts name
Scanner unit If the scanner unit is moved by hand, be sure to hold the carriage belt
while moving it.
2-19
Meas-
Interval Reference
ure
- - -
- - -
Timely Clean -
Timely Clean -
Clean
Timely -
lubricate
Measure
2-19