Canon MultiPASS C5000 Service Manual page 105

Part 7: Facsimile
1.3 Periodic Inspection
1.4 Periodic Replacement Parts
1.5 Adjustment Items
The following adjustments must be made on this fax.
For thr adjustment procedure, see 3. ADJUSTMENT on page 3-6
Item
CS LED lights-on duration
adjustment
Vertical Alignment
Head gap
When the SCNT board, or the lithium battery, or the contact
sensor are replaced. Also, when the color or brightness of the
copy image or transmission image is not normal.
When the carriage guide frame and the platen installation
positions have been moved, resulting in the head gap
changing.
CS LED automatic lights-on duration adjustment
The lights-on duration data for each color are on the SCNT board. The data
arc also backed up in SFfAM. When power is turned on, the data are checked
by check sum. If the data are incorrect, the lights-on duration is corrected
automatically. If a document is detected, the data cannot be adjusted. The
LCD display reads "CHECK DOCUMENT". After the document is removed,
the display reads "PRESS START/COPY". If you press the START/COPY
button, and themachine will readjust the lights-on duration.
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