Minolta Di551 Service Manual page 524

For the following abnormalities, the user can disconnect the faulty unit temporarily to continue using the
machine.
When an abnormality occurs, press the reset button following the LCD message, and turn the SW2 (sub
power) OFF/ON. This allows temporary use of machine until the SW2 (sub power) is turned OFF/ON next
time.
Warning code
F18-10 Tray 1 up drive motor abnormality
F18-11 Tray 1 up abnormality
F18-20 Tray 2 up drive motor abnormality
F18-21 Tray 2 up abnormality
F18-30 Tray 3 up drive motor abnormality
F18-31 Tray 3 up abnormality
F13-02 LCT paper feed motor abnormality
F18-50 LCT UP/DOWN motor abnormality
F46-40 to 43 HDD abnormality
F62-01 DF motor cooling fan abnormality
F77-22,25,26 Fold, stitch and fold, three-fold abnormality
F71-41 to 43 PI abnormality
F77-46,52,53 Stacker fan, PZ folding abnormality
F77-44,47,55 PK, PZ punch shift motor abnormality
Cause
4-55
ELECTRIC PARTS LIST
Unit to be disconnected
Tray 1
Tray 2
Tray 3
LCT
HDD
RADF
Fold, stitch and fold, three-fold
PI
Z-folding
PK, PZ