Operator`s manual

[ 4 9 0] SMMC shuttle motor drive.
[ 4 9 1] SMMC shuttle frequency out of range.
[ 4 9 2] SMIH imaging hardware failure.
[ 4 9 3] SMMC or SMIH board (no shuttle interrupt). Check all SMIH
jumper positions.
[ 4 9 4] No INT signal available to cause paper motion.
[ 5 2 9] SMSM NVRAM (5517L in U29).
[ 5 3 0] SMSM timer chip (8253 in U30).
[ 5 3 1] SMSM interrupt controller (8259A in U31).
[ 5 4 7] SMSM ROM (U47).
[ 5 4 8] SMSM ROM (U48-U49).
[ 5 4 9] SMSM ROM (U48-U49).
[ 7 0 0] SMIM, SMSM failure (image processor).
[.8.8.8] Used to test all the LED lights when power is turned ON. Lasts
only a few seconds.
[ i P ] Indicates self-test in progress. Lasts for several seconds after
power on sequence.
[ i 9 P] Intermodule gap return.
[ i 1 3] SMIM image processor timer chip (8253 in U13).
[ i 1 4] SMIM interrupt controller (8259A in U14).
[ i 2 1] SMIM ROM (U19-U24, U38, U39) image processor. ROM
(display indicates chip number at fault).
[i25]
through
[i32]
SMIM NVRAM (5517L in U25-U32). Display indicates chip
number at fault).
[05]
through
[16E]
When Data Processing font is selected available characters per
inch (CPI).selections using the key (5) CPI LPI.
A–4 LED DISPLAY LIST