MUTOH ValueJet 1304 Service Manual page 402

9 Troubleshooting
Table 9-11 Symptoms, Check Items, and Actions for Online Function Problems (Continued)
No. Event/symptom
6 Some data are not
printed (missing).
Some data change to
7
garbage.
Rev.-01
CS9050, CS9150
Check item
1. Printer driver may be
defective.
2. Program ROM may be
defective.
3. Is T fence
contaminated or worn
out?
4. Check "CR Encoder"
from "Test5: Encoder"
of "Check2: Test" of
self-diagnosis
function.
5. Main board assembly
may be
malfunctioning.
9-64
VJ-1304 Maintenance Manual
Action
Update printer driver.
Update firmware.
• If grease or dust collect:
Wipe fence with a dry
cloth.
• If ink deposit presents:
Wipe it off with cloth
dampened with neutral
detergent.
• If contamination or
deposit is too heavy:
Replace T fence.
• Move carriage in both
directions and check the
numeral value on LCD.
If the numeral value
doesn't change normally,
check main board
assembly connector J12.
• Replace T fence.
• Replace CR motor
assembly.
• Replace CR board
assembly.
• Replace CR cable.
Replace main board
assembly.
Reference
Operation
Manual
"7.3.5
Firmware
Installation"
p.7-19
"4.5.4
Replacing T
Fence" p.4-50
"4.3.3
Replacing
Main Board
Assembly"
p.4-26
"4.5.4
Replacing T
Fence" p.4-50
"4.5.1 CR
Motor
Assembly"
p.4-46
"4.10.1
Replacing CR
Board
Assembly"
p.4-84
"4.10.3
Replacing CR
Tape Wire"
p.4-89
"4.3.3
Replacing
Main Board
Assembly"
p.4-26