Brother MFC 5890CN - Color Inkjet - All-in-One, Service Manual

Page: 105 / 448

4-7
Confidential
[ 2 ] Error codes contained in "MACHINE ERROR X X" messages
Using Function code 82 (described in Chapter 9, Section 9.4.28 ) displays the most recent error
in the format of "MACHINE ERROR XX." The XX represents one of the error codes listed in
this section.
Note:
When checking a PCB as instructed in the "Solution" column, also check its harness.
Note:
To check sensors, use Function code 32 described in Chapter 9, Section 9.4.9 (that is,
press the 3 and 2 keys in the maintenance mode).
Error Code
(Hex)
Symptom Probable Cause Solution
20
21
22
23 Cannot identify the ink
cartridge loaded because
the signal values
detected by the
corresponding ink empty
sensor and ink cartridge
detection sensor are
different from the
specified values. Ink cartridge not loaded
correctly
20: Black ink
21: Yellow ink
22: Cyan ink
23: Magenta ink
- Ink cartridge loaded after
the ink cartridge cover has
been left open for 10 min-
utes or more
- Ink cartridge replaced
when the power is OFF
- Ink cartridge loaded very
quickly
- Ink cartridge halfway
taken in and out
Reload the corresponding ink
cartridge.
Ink cartridge partially broken Replace the ink cartridge.
The ink cartridge loaded is
not the specified one Load the specified ink
cartridge.
Ink empty sensor defective Replace the ink refill ASSY.
Ink empty sensor PCB
defective
Main PCB defective Replace the main PCB.
24, 25 Not used.