Brother MFC9100C Service Manual page 188

[ 2 ] Error codes shown in the "MACHINE ERR X X " message
If the LCD shows the "PLS OPEN COVER" message, you can display the detailed error code
following the MACHINE ERR, by using the maintenance-mode function code 82 described in
Chapter V, Section 3.14.
NOTE: When checking a PCB as instructed in the "Check:" column, check its harness also.
NOTE: To check sensors, use the maintenance-mode function code 32 described in Chapter V,
Section 3.8 (that is, press the 3 and 2 keys in the maintenance mode).
Error Code
(Hex)
23 Printer engine timeout.
25 Ink cartridges had already been loaded when the power
was first applied.
31 The carriage cannot travel to the right or left.
32 After driven by the specified number of pulses, the
carriage does not stop (since it cannot detect the left end
of the travel).
33 The carriage movement parameter exceeded the travel
range during printing.
34 When initialized, the carriage could not detect the right or
left end of the travel range.
35 The carriage cannot move in midway of travel.
38 The carriage stop position is out of the travel range.
39 Printing area error.
3A Sudden carriage stop during printing acceleration.
3D The carriage has overridden the travel range.
41 The head drive voltage has not been turned from Low to
High within the specified time.
42 The head drive voltage has not been turned from High to
Low within the specified time.
43 The head drive voltage sticks to Low.
Error factor
VI - 4
Check:
• Main PCB
Reload ink cartridges,
referring to the Owner's
Manual.
• Carriage ASSY
• Encoder strip
(Any stains or scratches?
Hooked correctly?)
• Paper feed motor
• Main PCB
• Power supply PCB
• Purge unit
• Main chassis
• Carriage ASSY
• Encoder strip
(Any stains or scratches?
Hooked correctly?)
• Paper feed motor
• Main PCB
• Power supply PCB
• Purge unit
• Main chassis
• Carriage ASSY
• Main PCB
• Print head unit
• Power supply PCB
• Print head unit
• Main PCB
• Power supply PCB