08/2012
2-44
WorkCentre 5021/5019
091-441, 091-915/916
Initial Issue
Status Indicator RAPs
091-441 Drum Cartridge Near End
BSD-ON:CH9.1
The Drum Cartridge needs to be replaced soon.
Cause/Action
The Drum Cartridge needs to be replaced soon. Replace the Drum Cartridge as required. (PL
8.1)
091-914 Drum CRUM Communication Fail
BSD-ON:CH9.1
Communication failure with Drum CRUM was detected.
The CRUM ASIC has malfunctioned.
Cause/Action
1. Turn the power OFF and ON.
2. Turn OFF the power. Disconnect and reconnect the Drum Cartridge.
NOTE: If turning the power OFF and ON or removing and reinstalling the Drum Cartridge
resolves the problem, it is highly probable that the ESS/MCU PWB had misdetected due
to external noise abnormal or noise caused by electrical discharge in the machine. Check
for any noise source around the machine and check for any abnormal electrical dis-
charge, etc.
3. Turn OFF the power and check the following:
• The Drum CRUM PWB and Drum Cartridge CRUM connection terminals in the
Drum Cartridge for poor contact.
• The connection between the Drum Cartridge J615 and the Drum CRUM PWB JA
for open circuit, short circuit, and poor contact.
• The connection between the ESS/MCU PWB J426 and the Drum Cartridge P615
for open circuit, short circuit, and poor contact.
4. If no problem is found, replace the following parts in sequence:
• Drum Cartridge (PL 8.1)
• ESS/MCU PWB (PL 18.1)
091-915/916 Drum CRUM ID Error/ Drum CRUM Market
Identity Mismatch
BSD-ON:CH9.1
[Drum CRUM ID Error]
The Drum CRUM ID error was detected.
[Drum CRUM Market Identity Mismatch]
The Drum CRUM region mismatch was detected.
Cause/Action
Replace it with the correct Drum Cartridge. (PL 8.1)
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