Canon iR4570 Series, Service Manual

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Chapter 2
2-26
2.5 Checking the Images/Operations
2.5.1 Checking the Image Quality and Operation
0007-5619
iR2270 / iR2870 / iR3570 / iR4570
1) Place the Test Chart on the copyboard glass, and make copies using the individual cassettes as the source of paper;
then, check the output images.
- be sure that there is no abnormal sound.
- be sure that the images are correct at all reproduction ratios.
- be sure that as many copies as specified are made normally.
2) Make settings (e.g., date, time) to suit the needs of the user.
3) Start service mode.
- press the User Mode key, press the 2 and 8 keys at the same time, press the User Mode key once again
4) Make specifications-related settings to suit the needs of the user: COPIER>OPTION>USER.
5) Make test prints by making the following selections in service mode: COPIER>FUNCTION>MISC-P>P-PRINT.
6) Put the output [1] in the Service Book case for storage.
F-2-65
7) Press the Reset key twice to stop service mode.
8) Clean up the area around the machine, and fill out the form in the Service Book.