Download Forms Printer Plus Service Manual

4227-300
Display Indication
Description/Action
633 Machine Check
Timer Interrupt Error
Timer Interrupt Controller Error. Replace
the main logic board and perform the
“Bidirectional print adjustment” on
page 4-3. Check the “Printhead-toplaten gap adjustment” on page 4-2.
636 Machine Check
NOVRAM Error
Non-Volatile Memory Read/Write Error.
Replace the main logic board and perform
the “Bidirectional print adjustment” on
page 4-3. Check the “Printhead-toplaten gap adjustment” on page 4-2.
637 Machine Check
CA Drive Error
Home Timeout Error. Go to the “Carrier
drive service check” on page 2-15 .
638 Machine Check
CA Drive Error
Carrier Drive Error.
No emitter pulse detected. Go to the
“Carrier drive service check” on page
2-15.
639 Machine Check
CA Drive Error
Carrier Drive Error.
Carrier positioning error. Go to the
“Carrier drive service check” on page
2-15.
63B Machine Check
Key Scan Error
Button Scanning Error.
Go to the “Operator panel service
check” on page 2-20.
63C Machine Check
Auto Gap Error
Auto Gap Error.
Go to the “Auto Gap service check” on
page 2-11.
63D Machine Check
Tractor 2 HP Error
Tractor 2 Home Position Error.
Go to the “Tractor 2 service check” on
page 2-31.
63E Machine Check
Head Thermal Error
Head Thermal Sensor Error.
Go to the “Print wire drive failure
service check” on page 2-28.
63F Machine Check
Option RAM Error
Option RAM Read/Write Error.
Replace the 32Kb Memory Module.
640 Machine Check
CA Thermal Error
Carrier Thermal Sensor Error.
Go to the “Carrier drive service check”
on page 2-15.
2-2 Service Manual