Konica Minolta bizhub 4020 Service Manual page 136

Action
Step 13
Is there optional memory installed?
Step 14
1. Reinstall the memory.
2. Send a print job to the printer.
Does the error remain?
Step 15
1. Install a recommended memory option.
2. Send a print job to the printer.
Does the error remain?
Step 16
Is there a modem installed?
Step 17
1. Reinstall the modem.
2. POR the printer.
Does the error remain?
Step 18
1. Upgrade the firmware if it was not upgraded in a previous
step.
Note: Contact your next level of support for the correct
firmware level to use.
2. POR the printer.
3. Send the printer a print job.
Does the error remain?
Step 19
1. Replace the modem.
2. POR the printer.
Does the error remain?
Step 20
Run a fax job.
Does the error remain?
bizhub 4020/3320 Service Manual
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Yes No
Go to step 14. Go to step 16.
Go to step 15. Go to step 16.
Go to step 31. The problem is
solved.
Go to step 17. Go to step 21.
Go to step 18. Go to step 20.
Go to step 19. The problem is
solved.
Go to step 31. The problem is
solved.
Go to step 31. Go to step 21.