Lexmark C77X, Service Manual

Page: 97 / 480

Diagnostic information
2-53
5061
282.98 paper jam service check
282.98 Staple Jam—Check Stapler
displays
900.xx RIP Software Error service check
The 900 error may indicate a communication problem (bad cable, network connection, and so on), software
issue, or a hardware problem with the controller board/INA. The communication and software aspects should be
checked first. Determine if the problem is constant or intermittent.
Constant 900
.xx
errors
Step Actions and questions Yes No
1 Staple cartridge holder—Check for jammed staples in
the staple cartridge holder.
Are there any jammed staples?
Replace the old
strip of staples
with a new strip.
Perform the
Finisher Feed
Test from the
Diagnostics
Menu. See
“Finisher Feed
Test” on
page 3-23
.
Go to step 2
2 Staple cartridge holder—Check the staple cartridge
holder for any signs of damage.
Did you find any damage to the staple cartridge
holder?
Replace the
staple cartridge
holder. Replace the
stapler option.
Step Actions and questions Yes No
1 Reset the ITU electrical disconnect. Turn the printer
off.
Check the ITU release lever for correct operation. The
ITU release lever is the black lever located on the left
upper side frame above the ITU opening and can be
seen by opening and lowering the MPF assembly.
When locked, the lever should be at the 6 o'clock
position. When unlocked, it should be in a 3 o'clock
position. Undue pressure is not required to operate the
lever.
Turn the printer off, insert the ITU, move the lever to
the 6 o'clock position, and turn the printer back on.
Does the 900 error display?
Go to step 2 Problem resolved