IBM Infoprint 6500-v05, Maintenance Manual

Page: 84 / 544

Display Messages
84
086 CONTROL 15V CHECK
SEE USERS MANUAL (continued) 7. Power on the printer. If the problem persists, refer to the Main
Wire Harness Test Diagnostic (page 256) to complete the
following substeps:
a. Power down and unplug the printer.
b. Measure the resistance of the following motors: left and right
ribbon motors, platen motor, paper feed motor. Compare the
readings with the values in the two tables mentioned in the
test diagnostic. Replace any defective motors.
c. Inspect all cables going from the above motors to the
controller board. Replace any damaged cables.
d. If no problems are found, do a cable shorts test (page 254) on
the intermediate cables of the ribbon motors and shuttle
motor. Replace any damaged cables.
8. Power on the printer. If the problem persists, check the shuttle for
electrical shorts (page 252). Replace the shuttle if it is defective.
9. Power on the printer. If the problem persists, refer to the Main
Wire Harness Test Diagnostic (page 256) and check the shuttle
motor. Replace the shuttle assembly if the motor is out of spec.
10. Power on the printer. If the problem persists, inspect the controller
board for burned components. If any are found, contact Level 2
support for possible isolation of an additional failing component
(e.g., a motor) that may be damaging the board.
NOTE: If Level 2 directs you to replace the controller board
remember that you must power up in download mode, obtain
the latest code from IBM First (page 231), then load flash
memory (page 238).
11. Power on the printer. If the problem persists, replace the shuttle
frame assembly.
Table 3. Message List
Operator Panel Message Explanation Corrective Action