Option Tray Symptoms - Lexmark MX71x Service Manual

Option tray symptoms

Symptom
Recurring media type error detected on the 250/550‑sheet tray
option.
The 250/550-sheet tray is not detected or recognized.
The 250/550‑sheet option is not detected or recognized.
Recurring media type error detected on the HCIT option.
The HCIT does not detect when the media level is low.
The HCIT is not detected or recognized.
Incorrect media is detected on the HCIT.
The finisher detects the side door as open even when it is closed.
Media doesn't exit at the assigned mailbox bin.
The stapler unit does not detect the staple cartridge.
The staple finisher option is not detected or recognized.
The staple finisher detects media even when the bin is cleared.
The finisher detects the rear door as open even when it is closed.
The stapler unit won't staple.
The stapler bin LED doesn't light up, media isn't detected on the output
bin.
The HPU finisher does not detect the hole punch box.
The HPU finisher detects the rear door as open even when it is closed. Go to
Holes punched are missing or misaligned.
Media is stuck on the hole puncher.
Action
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Diagnostic information
304
"250/550-sheet media type error service
305.
"250/550-sheet tray undetected service
307.
"250/550-sheet option undetected service
308.
"HCIT media type error service check" on
310.
"HCIT media low undetected service check"
314.
"HCIT undetected service check" on
312.
"HCIT incorrect media error service check" on
308.
"Finisher side door error service check" on
318.
"Mailbox incorrect bin exit service check" on
316.
"Finisher cartridge error service check " on
319.
"Finisher undetected service check" on
321.
"Finisher bin error service check " on
321.
"Finisher door undetected service check " on
323.
"Stapler carriage failure service check" on
324.
"Finisher bin media present error service
325.
"Hole punch box undetected service check"
328.
"Finisher door (HPU) undetected service
329.
"Missing or misaligned hole punch service
326.
"Stuck media on hole puncher service check"
326.
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