9 Troubleshooting RJ-901C/RJ-900C Maintenance Manual
9-40
11 Machine does not stop
even if front cover is
opened.
5. Check power supply
voltage (DC5V).
Replace power board
assembly.
"4.3.4
Replacing
Power Board
Assembly"
p.4-22
6. Check power supply
voltage (DC24V,
DC42V).
Replace power board
assembly.
"4.3.4
Replacing
Power Board
Assembly"
p.4-22
7. Is DC cable assembly
connected correctly
between power board
assembly and main
board assembly?
• Reconnect DC cable
assembly.
• Replace DC cable
assembly.
"4.3.4
Replacing
Power Board
Assembly"
p.4-22
8. Main board assembly
may be defective.
Replace main board
assembly.
"4.3.3
Replacing
Main Board
Assembly"
p.4-21
12 Ink cartridge cannot
be detected even if
installed.
1. Are the following
self-diagnosis
functions detected as
normal when
checked with
specified cartridge
securely inserted?
• Detection of
presence of ink from
"Sen: Ink NOT "
• Detection of
presence of cartridge
from "Ink Not"
• Follow the steps for the
message "[K1K2CMY]
No Cartridge".
• After adjustment/
replacement, execute
initial ink charge from
"Adj: Input Rank" of
self-diagnosis function.
"5.5.2
Head Rank
Input Menu"
p.5-25
2. Is specified cartridge
status detected as
normal when
checked through "Ink
Not" of self-
diagnosis function
with specified
cartridge securely
inserted?
• Follow the steps for the
message "Insert
specified cartridge".
• After adjustment/
replacement, execute
initial ink charge from
"Adj: Input Rank" of
self-diagnosis function.
"5.5.2
Head Rank
Input Menu"
p.5-25
Table 9-9 Symptoms, Check Items and Actions for Initial Operation Problems (Continued)
No. Symptom Check item Action Reference
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