4 The cooling fan turns on.
5 The fuser heater turns on.
Note: The fuser takes longer to warm up from a cold start than a warm start.
6 The main drive motor turns on.
7 The EP drive assembly drives the developer shaft located in the imaging unit.
8 The exit rollers turn.
9 The control panel indicator light blinks (MS610de only).
10 Ready appears on the display.
If no error code is displayed, but a symptom is present, go to “Base printer symptoms” on page 108.
Understanding the printer messages
Cartridge, imaging unit mismatch [41.xy]
1 Check if the toner cartridge and imaging unit are both MICR (Magnetic Imaging Content Recording) or non-MICR
supplies.
Note: For a list of supported supplies, see the “Ordering supplies” section of the User's Guide or visit
www.lexmark.com.
2 Change the toner cartridge or imaging unit so that both are MICR or non‑MICR supplies.
Notes:
• Use MICR toner cartridge and imaging unit for printing checks and other similar documents.
• Use non-MICR toner cartridge and imaging unit for regular print jobs.
Cartridge low [88.xy]
You may need to order a toner cartridge. If necessary, select Continue on the printer control panel to clear the message
and continue printing. For non‑touch‑screen printer models, press
to confirm.
Cartridge nearly low [88.xy]
If necessary, select Continue on the printer control panel to clear the message and continue printing. For
non‑touch‑screen printer models, press
to confirm.
Cartridge very low, [x] estimated pages remain [88.xy]
You may need to replace the toner cartridge very soon. For more information, see the “Replacing supplies” section of
the User’s Guide.
4514-630, -635, -636
Diagnostic information
32