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7558-xxx
Step
Action and questions
Replace the modem. Restart the device.
19
Does the 900.xx error reoccur?
Run a fax job.
20
Does the 900.xx error reoccur?
21
Are there any ISP (internal solutions port) options
installed?
Reinstall the first ISP option. Restart the device.
22
Does the 900.xx error reoccur?
Run a job to test the option.
23
Does the 900.xx error reoccur?
Upgrade the firmware. Contact your next level of
24
support for the correct firmware level to use.
Restart the printer to operating mode.
Does the 900.xx error reoccur?
Replace the faulty ISP option. Restart the device.
25
Does the 900.xx error reoccur?
Are there any more ISP options to install?
26
Install the next ISP option. Restart the device.
27
Does the 900.xx error reoccur?
Run a job to test the option.
28
Does the 900.xx error reoccur?
Upgrade the firmware. Contact your next level of
29
support for the correct firmware level to use.
Restart the printer to operating mode.
Does the 900.xx error reoccur?
Replace the faulty ISP option. Restart the device.
30
Does the 900.xx error reoccur?
Service Manual
2-42
Yes
Go to step 31.
Problem resolved
Go to step 31.
Go to step 21.
Go to step 22.
Problem resolved
Go to step 24.
Go to step 23.
Go to step 24.
Go to step 26.
Go to step 25.
Problem resolved
Go to step 31.
Go to step 26.
Go to step 27.
Problem
resolved.
Go to step 29.
Go to step 28.
Go to step 29.
Go to step 26.
Go to step 30.
Go to step 26.
Go to step 31.
Go to step 26.
No
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