Canon PIXMA MP750, Service Manual

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3-6-6 CD-R Calibration
When SPCNT board ass’y, CD-R tray, or a unit or a part of printer (such as Carriage unit, Pump unit)
is replaced, perform the CD-R calibration as follows (registration of CDR sensor compensation value
data).
1. Place A4 plain paper on the Auto Sheet Feeder.
2. From the TEST MODE menu, perform [3] PRINTER - [6] CD-R CALIBRATION to print out a
blank paper.
3. From the TEST MODE menu, perform [3] PRINTER - [4] EEPROM to print out the information
and check the CDRS (XXX) item. If a numeric value appears, it means OK. If (000) appears, it
means NG. (Refer to 3-7-7 EEPROM Information Print.)
If it is NG, repeat the procedure of 1. to 3. shown above, or replace the unit.
3-7 Upgrading the version of SPCNT flash ROM
To upgrade the version of flash ROM, always down load via USB interface.
<Flash ROM upgrading file>
The flash ROM upgrading file will be distributed in SSIS at the timing of upgrading the version.
<Upgrading Procedure>
The detailed upgrading procedure will be introduced by a Service Information bulletin when the
version is upgraded.
[Prerequisite (reference)]
- Printer to Personal Computer:
Connect via USB cable. (Connect only one printer to the computer.)
- Environment to be used, OS:
Windows 2000/XP
- Printer driver:
Should be installed in advance.
- Main Unit Mode when down loading the upgrading file:
Set “1” at [#1 SSSW]-[SW29]-[Bit 1] of the service data for the flash ROM upgrading
mode.