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SERVICE MANUAL
Recovering from a Calibration Error
Perform this procedure if you receive a calibration error when energizing the 1120 Laser Printer.
Important
When the printer displays "54 ERROR:CALIBRATION," you must perform this procedure before you can enter off-
line mode to calibrate the printer.
[1] Enter CES Hidden Mode.
[2] Press [Next] to step through the options until "RAW DATA x:y.yy" is displayed.
[3] Enter the following 9 raw data values:
1. 0.15
2. 0.22
3. 0.42
4. 0.79
5. 1.25
6. 1.73
7. 2.12
8. 2.46
9. 2.71
[4] Press [Next] until "CAL DATA: xxxx" is displayed.
Note
At this point, you can set CAL DATA to either "NORMAL" or "OK".
Setting CAL DATA to "NORMAL"
1. Set CAL DATA to "NORMAL".
2. Exit from CES HIDDEN MODE.
The printer displays "09 CALIBRATE
PRINTER".
3. Enter off-line mode.
4. Calibrate the printer.
Note
After calibrating, the value for CAL DATA in
HIDDEN MODE changes to "OK".
4–12
Setting CAL DATA to "OK"
1. Set CAL DATA to "OK".
2. Exit from CES HIDDEN MODE.
Note
The printer displays "07 PRINTER WARM UP"
Important
When you set CAL DATA to "OK", the printer
calibrates itself. You can continue to use the printer,
but you should enter off-line mode and perform a
manual calibration as soon as possible to ensure
maximum image quality.
10FEB97 – SM3226-1
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